reallyvsreplyConfusable pair

Quick tell: really is a adverb, reply is a verb, so they fill different roles in a sentence.

Which to use

“really” is an adverb and “reply” is a verb - they look or sound alike but fill different roles in a sentence.

#113
“really” frequency rank
#3,020
“reply” frequency rank
3133
confusion score

Side-by-Side Comparison

Feature really reply
Definition In a way or manner that is real, not unreal. To give a written or spoken response, especially to a question, request, accusation or criticism; to answer.

Where the eye mixes really and reply

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
really
5 ch
reply

Look-alike desk: really vs reply

These two trip readers on the page rather than in the ear: really is /ˈɹɪə.li/ while reply is /ɹɪˈplaɪ/. 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 (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 3133, derived from the frequency rank of both members and their visual similarity.

really is recorded at frequency rank #113, classified as anadv, pronounced /ˈɹɪə.li/. reply is at rank #3,020, tagged as averb, pronounced /ɹɪˈplaɪ/.

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 3133, this pair ranks #523,016 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of really vs reply

Shared letters: elry. Private to "really": a. Private to "reply": p.

"really" · 6 letters · shape CVVCCV  ·  "reply" · 5 letters · shape CVCCV

Known mistypes of this pair

  • reallyerally · raelly · reallyy · realy · realyl · relaly · rreally
  • replyerply · relpy · replly · replyy · repply · repyl · rpely · rreply

Frequently Asked Questions

Can "really" and "reply" be used interchangeably?
No - they are not even the same part of speech. "really" is an adverb and "reply" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "really" or "reply" show up more?
"really" is the more common of the two: it sits at frequency rank #113 in our English list, against #3,020 for "reply". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "really" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "reply" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #523,016 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "really" and "reply" also get mixed up with nearby pairs, the highest-scored neighbour is "reedy vs reply". 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 #523,016 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