fragilityvsfrailtyWhich spelling fits?

Which to use

“fragility” and “frailty” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#29,662
“fragility” frequency rank
#41,133
“frailty” frequency rank
70795
confusion score

Side-by-Side Comparison

Feature fragility frailty
Definition The condition or quality of being fragile; brittleness; frangibility. The condition quality of being frail, physically, mentally, or morally; weakness of resolution; liability to be deceived.

Where the eye mixes fragility and frailty

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. fragility runs 9 letters (CCVCVCVCV) against frailty's 7 (CCVVCCV) - the length gap alone is often enough to separate them once you know to check it.

9 ch
fragility
7 ch
frailty

Visual trap between fragility and frailty

A purely visual mix-up. fragility (/fɹəˈd͡ʒɪlɪti/) and frailty (/ˈfɹeɪlti/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 70795, derived from the frequency rank of both members and their visual similarity.

fragility is recorded at frequency rank #29,662, classified as anoun, pronounced /fɹəˈd͡ʒɪlɪti/. 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 70795, this pair ranks #49,146 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of fragility vs frailty

Shared letters: afilrty. Private to "fragility": g. Private to "frailty": -.

"fragility" · 9 letters · shape CCVCVCVCV  ·  "frailty" · 7 letters · shape CCVVCCV

Known mistypes of this pair

  • fragility ← fargility · ffragility · fraggility · fragiilty · fragilitty · fragilityy · fragiliyt · fragillity
  • frailty ← farilty · ffrailty · fraillty · frailtty · frailtyy · frailyt · fraitly · frality

Frequently Asked Questions

Is swapping "fragility" for "frailty" ever safe?
No. They are said differently (/fɹəˈd͡ʒɪlɪti/ versus /ˈfɹeɪlti/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fragility" or "frailty"?
"fragility" is the more common of the two: it sits at frequency rank #29,662 in our English list, against #41,133 for "frailty". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "fragility" and "frailty" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fragility" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "frailty" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #49,146 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fragility" and "frailty" also get mixed up with nearby pairs, the highest-scored neighbour is "fealty vs frailty". 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 #49,146 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list