inquiringvsinspiringTell them apart

Quick tell: inquiring is a verb, inspiring is an adjective, so they fill different roles in a sentence.

Which to use

“inquiring” is a verb and “inspiring” is an adjective - they look or sound alike but fill different roles in a sentence.

#29,322
“inquiring” frequency rank
#6,697
“inspiring” frequency rank
36019
confusion score

Side-by-Side Comparison

Feature inquiring inspiring
Definition present participle and gerund of inquire Providing inspiration; encouraging; stimulating.

Where the eye mixes inquiring and inspiring

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. inquiring (VCCVVCVCC) and inspiring (VCCCVCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

9 ch
inquiring
9 ch
inspiring

Why the eye confuses inquiring with inspiring

These two trip readers on the page rather than in the ear: inquiring is /ɪnˈkwaɪɹɪŋ/ while inspiring is /ɪnˈspaɪə.ɹɪŋ/. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 36019, derived from the frequency rank of both members and their visual similarity.

inquiring is recorded at frequency rank #29,322, classified as averb, pronounced /ɪnˈkwaɪɹɪŋ/. inspiring is at rank #6,697, tagged as anadj, pronounced /ɪnˈspaɪə.ɹɪŋ/.

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 36019, this pair ranks #306,909 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of inquiring vs inspiring

Shared letters: ginr. Private to "inquiring": qu. Private to "inspiring": ps.

"inquiring" · 9 letters · shape VCCVVCVCC  ·  "inspiring" · 9 letters · shape VCCCVCVCC

Known mistypes of this pair

  • inquiring ← innquiring · inqiuring · inqquiring · inquiirng · inquirign · inquiringg · inquirinng · inquirnig
  • inspiring ← innspiring · inpsiring · insipring · inspiirng · inspirign · inspiringg · inspirinng · inspirnig

Frequently Asked Questions

Is swapping "inquiring" for "inspiring" ever safe?
No - they are not even the same part of speech. "inquiring" is a verb and "inspiring" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "inquiring" or "inspiring" show up more?
"inspiring" is the more common of the two: it sits at frequency rank #6,697 in our English list, against #29,322 for "inquiring". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "inquiring" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "inspiring" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #306,909 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "inquiring" and "inspiring" also get mixed up with nearby pairs, the highest-scored neighbour is "inquiries vs inquiring". 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 #306,909 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