impotencevsimpotentWhat's the difference?

Quick tell: impotence is a noun, impotent is an adjective, so they fill different roles in a sentence.

Which to use

“impotence” is a noun and “impotent” is an adjective - they look or sound alike but fill different roles in a sentence.

#30,456
“impotence” frequency rank
#27,509
“impotent” frequency rank
57965
confusion score

Side-by-Side Comparison

Feature impotence impotent
Definition Powerlessness; incapacity. Lacking physical strength or vigor; weak

Where the spellings diverge

Shared letters are muted; the letters that actually set impotence and impotent apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

9 ch
impotence
8 ch
impotent

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: impotence is /ˈɪmpətəns/ while impotent is /ˈɪm.pə.tənt/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 57965, derived from the frequency rank of both members and their visual similarity.

impotence is recorded at frequency rank #30,456, classified as anoun, pronounced /ˈɪmpətəns/. impotent is at rank #27,509, tagged as anadj, pronounced /ˈɪm.pə.tənt/.

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 57965, this pair ranks #115,733 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of impotence vs impotent

Shared letters: eimnopt. Private to "impotence": c. Private to "impotent": -.

"impotence" · 9 letters · shape VCCVCVCCV  ·  "impotent" · 8 letters · shape VCCVCVCC

Known mistypes of this pair

  • impotenceimmpotence · imoptence · impoetnce · impotance · impotecne · impotencce · impotenec · impotennce
  • impotentimmpotent · imoptent · impoetnt · impotennt · impotentt · impotetn · impotnet · impottent

Frequency comparison

impotence#30,456
impotent#27,509

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "impotence" and "impotent" be used interchangeably?
No - they are not even the same part of speech. "impotence" is a noun and "impotent" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "impotence" or "impotent"?
"impotent" is the more common of the two: it sits at frequency rank #27,509 in our English list, against #30,456 for "impotence". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering impotence vs impotent

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “impotence”; for an adjective, it's “impotent”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “impotence” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list