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-Ize Vocabulary Words

Guess theses vocabulary words that end with -ize.
-ise with British spelling
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Quizmaster
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Last updated: October 4, 2020
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First submittedAugust 6, 2014
Times taken18,957
Average score65.0%
Rating4.04
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Defintion
Word
To cast out evil spirits
Exorcize
To destroy or deface property
Vandalize
To make text look like this
Italicize
To make infertile
Sterilize
To vaccinate
Immunize
To justify an immoral act after the fact
Rationalize
To brown sugar by heating it
Caramelize
To be a customer of a business;
or, to act condescendingly towards
Patronize
To heat a liquid (such as milk) in order
to kill harmful germs
Pasteurize
To pass off someone else's work
as one's own
Plagiarize
Defintion
Word
To kill for mercy
Euthanize
To shun
Ostracize
To make friends with enemy troops
Fraternize
To treat rubber to make it more durable
Vulcanize
To remove original sin with holy water
Baptize
To spread out a debt payment
over installments
Amortize
To speak at someone's funeral
Eulogize
To turn into a gas
Vaporize
To burn flesh in order to prevent
bleeding or infection
Cauterize
To rust
Oxidize
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62 Comments
smartcookie17
+5
Level 44
Aug 22, 2014
Ha, another meaning for 'Vulcanize' could be to devastate someone with logic...
plattitude
+2
Level 94
Jan 3, 2017
Got stuck on aerosolize for turning into a gas.
BiggieSmalls
+2
Level 76
Aug 6, 2017
i kept trying legitimize for rationalize
Sifhraven
+1
Level 76
Jun 16, 2025
I tried normalize
prdoz
+2
Level 76
Aug 6, 2017
caught out by the American vs British spelling.

Didn't know that Euthanize was the alternative form of Euthanase

Findlay
+1
Level 80
Apr 5, 2018
That one briefly caught me too.
EcceHomo
+2
Level 86
Oct 6, 2020
The British spelling is euthanise, but euthanize is also widely accepted. Euthanase, on the other hand is not a word in Britain or the USA. It is an Australian variant according to Collins Dictionary.
luxint
+6
Level 67
Aug 6, 2017
-ize, my arse! It's -ise
fitheach
+7
Level 58
Aug 7, 2017
I knew someone would make a comment along these lines. -ize is British English as much as -ise is. Look up Oxford English, it's the style employed by the Oxford University Press (who publish the OED) and it is still used by plenty of British publishers and a few newspapers in the UK.
luxint
+1
Level 67
Aug 8, 2017
Thank you clever boy
fitheach
+3
Level 58
Aug 9, 2017
Lots of clever boys (and girls) on a quiz website! :-)
luxint
+1
Level 67
Aug 11, 2017
Yes but I knew you had to be a bloke. No doubts.
OfficerDibble
+1
Level 86
Oct 2, 2018
And the newspapers who abandoned proper British -ize spelling, like the Times, should have known better.
CardinalSin
+1
Level 82
May 30, 2021
So are you saying that they should re-brand as the Timez?
DanJS
+1
Level 80
Aug 6, 2017
Nice to see that the "ise" suffix is accepted in each case.
stone222
+2
Level 47
Sep 30, 2018
damn... was it really ? here i was struggling to remember to use the zed every time......
kalbahamut
+2
Level 79
Aug 7, 2017
Don't think I've ever once heard the word "amortize"
WanderingWalrus
+3
Level 82
Aug 7, 2017
Then you never trained as an accountant, for which I envy you
ctleng76
+2
Level 65
Aug 9, 2017
Or you've never had to take out a loan to buy a car or a home, in which case I applaud you.
BolyaiAnna
+2
Level 87
Oct 5, 2020
@ctleng76 you envy him for not having to take out a loan to buy a home? he's homeless
Sifhraven
+1
Level 76
Jul 30, 2019
Maybe it is related to mortgage. Like mortgagize, but amortize looks simpler
divantilya
+5
Level 36
Aug 7, 2017
Fraternize means to mingle with, associate with. Since when has it become a synonym for befriending the enemy? - I thought that the term for that would be treason.
Sifhraven
+2
Level 76
Jul 30, 2019
You never heard of fraternizing with the enemy? I ve heard it when I was quite young, in fact that might be when I first heard of the word and learned the word fraternize. And I m not even from an english speaking country.
jennraven
+1
Level 67
Oct 5, 2020
That's the point. You have to add "with the enemy" for it to have that meaning. So while that is a common contonation, the word by itself just means 'befriending'.
AlexThirkell
+1
Level 74
Oct 7, 2020
True diva.
Alexquiz17
+1
Level 95
Feb 17, 2023
I agree, it derives from the Latin word for brother, and does not necessarily require an enemy
domvog
+8
Level 77
Aug 7, 2017
No Belize?
fitheach
+1
Level 58
Aug 8, 2017
Evidently not
DeusCaritasEst
+11
Level 54
Aug 8, 2017
I find that hard to Belize.
fitheach
+1
Level 58
Aug 9, 2017
Boom tish!!
kogatora
+1
Level 96
May 22, 2018
nor belise ;)
ddddan
+1
Level 85
Oct 6, 2020
Definition: to tintinnabulate
jayrod
+1
Level 96
Sep 1, 2020
Tried "evaporize" before vaporize and "innoculize" before immunize. Never got ostracize.

Great quiz!

overtired
+1
Level 88
Oct 4, 2020
Rationalize isn't accepted as an answer for me.
Quizmaster
+1
Level ∞
Oct 4, 2020
Fixed, thanks!
RealDad12
+1
Level 67
Oct 5, 2020
I think the "ize" is putting me off. I should be getting at least 18 correct.
nomad14
+1
Level 67
Oct 5, 2020
Whew, this was surprisingly difficult.
Damangio
+1
Level 64
Oct 5, 2020
I'm a Christian, and I got them all except "baptize." I guess you have to be Catholic to understand that clue.
Jacktheguy
+2
Level 93
Oct 5, 2020
I was raised Protestant and I understood it. Baptism is practiced by many Christian denominations, not just Catholics.
barmanitan
+2
Level 84
Oct 5, 2020
Funny that it can be baptize or baptise, but only baptism and not baptizm
deadofnight
+2
Level 59
Oct 5, 2020
I'm a Catholic and I was baptized. Catholics do practice baptism
determinedtobeatthis
+2
Level 68
Oct 5, 2020
It took me a minute, but I got it. Many Christian denominations practice baptism, but most Protestants don't use holy water or believe that baptism removes original sin.
TravelingMama
+1
Level 72
Oct 8, 2020
Even though we practice baptism, I would never have got it based on that definition.
KiloNova
+1
Level 61
May 26, 2023
My cousin is Christian, and he was Baptized.
Anzi
+1
Level 68
Oct 6, 2020
Thrown off by the ‘immoral’ for rationalise. You can rationalise acts that aren’t immoral too
jennyfleur
+1
Level 65
Oct 6, 2020
Agreed. I had the same reaction.
kitsims
+1
Level 86
Oct 2, 2022
Yep, agreed. I thought the answer had to be specific to acts relevant to morality. But you could just as easily use rationalisation to justify an apparently irrational act, with no moral dimension whatsoever. Clue is misleading.
EcceHomo
+2
Level 86
Oct 6, 2020
Managed to get them all by concentrating on the words rather than the difference between US and UK spelling.
GrantH
+1
Level 67
Oct 6, 2020
Great quiz. I love many of those words. Thanks
jennyfleur
+1
Level 65
Oct 6, 2020
Here are two more:

1) To stall for time

2) To polish a car (US-specific, I believe)

Anyone?

AlexThirkell
+1
Level 74
Oct 7, 2020
delayerize and shinerize ?
Phil
+1
Level 57
Oct 6, 2020
What Monty Python want to see when their between someone's thighs.
undeadwarrior
+2
Level 66
Oct 7, 2020
As an Australian, who uses the Queen's English, this quiz made my eyes bleed!
AlexThirkell
+2
Level 74
Oct 7, 2020
You need to make your own version of JetPunk then ('JitPank' sounds nicely Ozzie:)
HyddenRizz
+1
Level 67
Sep 16, 2022
Why do people from the USA repeatedly try to make foreigners feel unwelcome for using this site?
AlexThirkell
+2
Level 74
Oct 7, 2020
A couple of slightly dodgy definitions here:

Rationalize just means to justify something, not necessarily something immoral ("I couldn't rationalize my decision to start dancing in the park.")

Fraternize just means to associate with in a friendly way, not necessarily with the enemy ("The party was an opportunity to fraternize with other influential local businesspeople.")

AussieAngie
+1
Level 64
Oct 8, 2020
Thanks, had fun with this quiz. I agree that the 'ize' is disconcerting when you are used to 'ise', but I persevered.
Koopa
+1
Level 88
Jul 15, 2023
It should really be a dash and then a lower-case "i" in the title of the quiz, especially considering where the "i" is located in each word.
OverlordAlpha
+1
Level 44
Apr 22, 2025
As a Baptist, baptizing is not removal of original sin, rather a symbol of Christ's death, going under, and rising, coming back up, as well as being born again, the old you being symbolized as dead and burried.
MLR824
+1
Level 83
May 15, 2025
I know the word cauterize but had never seen it written. Hence my inability to spell it correctly.
Philippelebel
+1
Level 79
Nov 25, 2025
For the debt question, please add "or write off the cost of an investment overtime". That's the primary meaning of the word.
cuendillar
+1
Level 71
Feb 26, 2026
Personally, I tend to favourize the -ize spellings. z is just an objectively cooler letter than s so might as well take the opportunity to use it.
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