-Ology or -Onomy

Do these end with -ology or -onomy?
Doesn't have to be science-related
Quiz by
Smartypants3150
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Last updated: March 30, 2025
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First submittedMarch 29, 2025
Times taken34
Average score73.3%
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1. Astr-
Astrology / Astronomy
-ology
-onomy
Both
Neither
2. Bi-
Biology
-ology
-onomy
Both
Neither
3. Therm-
Thermodynamics
-ology
-onomy
Both
Neither
4. Tax-
Taxology / Taxonomy
-ology
-onomy
Both
Neither
5. The-
Theology
-ology
-onomy
Both
Neither
6. Gastr-
Gastronomy
-ology
-onomy
Both
Neither
7. Deuter-
Deuteronomy
-ology
-onomy
Both
Neither
8. Alch-
Alchemy
-ology
-onomy
Both
Neither
9. Ec-
Ecology / Economy
-ology
-onomy
Both
Neither
10. Ancestr-
Ancestry
-ology
-onomy
Both
Neither
11. Arche-
Archeology
-ology
-onomy
Both
Neither
12. Seism-
Seismology
-ology
-onomy
Both
Neither
13. Paleont-
Paleontology
-ology
-onomy
Both
Neither
14. Aut-
Autonomy
-ology
-onomy
Both
Neither
15. Ge-
Geology
-ology
-onomy
Both
Neither
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2 Comments
+1
Level 69
Mar 29, 2025
Lobotomy is not the same as Lobotonomy.
+1
Level 62
Mar 30, 2025
Honestly skill issue on my part. Fixed.