inquirevsinspireWhat's the difference?

Which to use

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

#17,646
“inquire” frequency rank
#7,142
“inspire” frequency rank
24788
confusion score

Side-by-Side Comparison

Feature inquire inspire
Definition To ask (about something). To infuse into the mind; to communicate to the spirit; to convey, as by a divine or supernatural influence; to disclose preternaturally; to produce in, as by inspiration.

Where the spellings diverge

Shared letters are muted; the letters that actually set inquire and inspire apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

7 ch
inquire
7 ch
inspire

Spelling & Dictionary Insight

A purely visual mix-up. inquire (/ɪnˈkwaɪə/) and inspire (/ɪnˈspaɪə(ɹ)/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 24788, derived from the frequency rank of both members and their visual similarity.

inquire is recorded at frequency rank #17,646, classified as averb, pronounced /ɪnˈkwaɪə/. inspire is at rank #7,142, tagged as averb, pronounced /ɪnˈspaɪə(ɹ)/.

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 24788, this pair ranks #399,303 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of inquire vs inspire

Shared letters: einr. Private to "inquire": qu. Private to "inspire": ps.

"inquire" · 7 letters · shape VCCVVCV  ·  "inspire" · 7 letters · shape VCCCVCV

Known mistypes of this pair

  • inquireinnquire · inqiure · inqquire · inquier · inquirre · inqurie · inuqire · iqnuire
  • inspireinnspire · inpsire · insipre · inspier · inspirre · insppire · insprie · insspire

Frequency comparison

inquire#17,646
inspire#7,142

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "inquire" and "inspire" be used interchangeably?
No. They are said differently (/ɪnˈkwaɪə/ versus /ɪnˈspaɪə(ɹ)/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "inquire" or "inspire"?
"inspire" is the more common of the two: it sits at frequency rank #7,142 in our English list, against #17,646 for "inquire". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering inquire vs inspire

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “inquire” 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