Which to use
“frail” is an adjective and “frailty” is a noun - they look or sound alike but fill different roles in a sentence.
- #20,119
- “frail” frequency rank
- #41,133
- “frailty” frequency rank
- 61252
- confusion score
Side-by-Side Comparison
| Feature | frail | frailty |
|---|---|---|
| Definition | Easily broken physically; not firm or durable; liable to fail and perish. | The condition quality of being frail, physically, mentally, or morally; weakness of resolution; liability to be deceived. |
Where the spellings diverge
Shared letters are muted; the letters that actually set frail and frailty apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: frail is /fɹeɪl/ while frailty is /ˈfɹeɪlti/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “frail” sits inside “frailty”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 61252, derived from the frequency rank of both members and their visual similarity.
frail is recorded at frequency rank #20,119, classified as anadj, pronounced /fɹeɪl/. frailty is at rank #41,133, tagged as anoun, pronounced /ˈfɹeɪlti/.
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 61252, this pair ranks #95,311 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of frail vs frailty
Shared letters: afilr. Private to "frail": -. Private to "frailty": ty.
"frail" · 5 letters · shape CCVVC · "frailty" · 7 letters · shape CCVVCCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "frail" and "frailty" be used interchangeably?
Which is more common, "frail" or "frailty"?
Remembering frail vs frailty
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “frail”; for a noun, it's “frailty”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “frail” entry
- Browse more pairs most likely to be confused. Most confusable