Which to use
“moldy” is an adjective and “mommy” is a noun - they look or sound alike but fill different roles in a sentence.
- #42,277
- “moldy” frequency rank
- #8,456
- “mommy” frequency rank
- 50733
- confusion score
Side-by-Side Comparison
| Feature | moldy | mommy |
|---|---|---|
| Definition | Covered with mold. | Mother. |
Where the eye mixes moldy and mommy
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. moldy and mommy follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: moldy vs mommy
These two trip readers on the page rather than in the ear: moldy is /ˈmoʊldi/ while mommy is /ˈmɒm.i/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50733, derived from the frequency rank of both members and their visual similarity.
moldy is recorded at frequency rank #42,277, classified as anadj, pronounced /ˈmoʊldi/. mommy is at rank #8,456, tagged as anoun, pronounced /ˈmɒm.i/.
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 50733, this pair ranks #171,656 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of moldy vs mommy
Shared letters: moy. Private to "moldy": dl. Private to "mommy": -.
"moldy" · 5 letters · shape CVCCV · "mommy" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "moldy" and "mommy" mean the same thing in a sentence?
In ordinary English text, does "moldy" or "mommy" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "moldy" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mommy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #171,656 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "moldy" and "mommy" also get mixed up with nearby pairs, the highest-scored neighbour is "moldy vs mossy". 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 #171,656 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.