addvsavidWhat's the difference?

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

Which to use

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

#840
“add” frequency rank
#14,889
“avid” frequency rank
15729
confusion score

Side-by-Side Comparison

Feature add avid
Definition To join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate. Enthusiastic; keen; eager; showing great interest in something or desire to do something.

Where the eye mixes add and avid

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
add
4 ch
avid

Visual trap between add and avid

These two trip readers on the page rather than in the ear: add is /æd/ while avid is /ˈæv.ɪd/. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 15729, derived from the frequency rank of both members and their visual similarity.

add is recorded at frequency rank #840, classified as averb, pronounced /æd/. avid is at rank #14,889, tagged as anadj, pronounced /ˈæv.ɪd/.

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 15729, this pair ranks #462,185 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of add vs avid

Shared letters: ad. Private to "add": -. Private to "avid": iv.

"add" · 3 letters · shape VCC  ·  "avid" · 4 letters · shape VCVC

Known mistypes of this pair

  • avidaivd · avdi · avidd · avvid · vaid

Frequently Asked Questions

Can "add" and "avid" be used interchangeably?
No - they are not even the same part of speech. "add" is a verb and "avid" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "add" or "avid"?
"add" is the more common of the two: it sits at frequency rank #840 in our English list, against #14,889 for "avid". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "add" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "avid" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #462,185 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "add" and "avid" also get mixed up with nearby pairs, the highest-scored neighbour is "Advil vs avid". 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 #462,185 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