Which to use
“moly” is a noun and “mostly” is an adverb - they look or sound alike but fill different roles in a sentence.
- #36,676
- “moly” frequency rank
- #1,568
- “mostly” frequency rank
- 38244
- confusion score
Side-by-Side Comparison
| Feature | moly | mostly |
|---|---|---|
| Definition | A magic herb or plant used by Odysseus to overcome Circe. | Mainly or chiefly; for the most part; usually, generally, on the whole. |
Where the eye mixes moly and mostly
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between moly and mostly
These two trip readers on the page rather than in the ear: moly is /ˈməʊli/ while mostly is /ˈməʊstli/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 38244, derived from the frequency rank of both members and their visual similarity.
moly is recorded at frequency rank #36,676, classified as anoun, pronounced /ˈməʊli/. mostly is at rank #1,568, tagged as anadv, pronounced /ˈməʊstli/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 38244, this pair ranks #287,642 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of moly vs mostly
Shared letters: lmoy. Private to "moly": -. Private to "mostly": st.
"moly" · 4 letters · shape CVCV · "mostly" · 6 letters · shape CVCCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "moly" for "mostly" ever safe?
In ordinary English text, does "moly" or "mostly" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "moly" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mostly" - compare definitions side by side with the headword page. Word entry
- This pair ranks #287,642 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "moly" and "mostly" also get mixed up with nearby pairs, the highest-scored neighbour is "moly vs Moog". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #287,642 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.