Which to use
“AD” is an adverb and “avid” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,779
- “AD” frequency rank
- #14,889
- “avid” frequency rank
- 16668
- confusion score
Side-by-Side Comparison
| Feature | AD | avid |
|---|---|---|
| Definition | Initialism of Anno Domini (borrowed from Latin); in the year of our Lord. | Enthusiastic; keen; eager; showing great interest in something or desire to do something. |
Where the eye mixes AD and avid
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: AD vs avid
These two trip readers on the page rather than in the ear: AD is /ˌeɪˈdi/ while avid is /ˈæv.ɪd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 16668, derived from the frequency rank of both members and their visual similarity.
AD is recorded at frequency rank #1,779, classified as anadv, pronounced /ˌeɪˈdi/. 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 16668, this pair ranks #456,299 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of AD vs avid
Shared letters: ad. Private to "AD": -. Private to "avid": iv.
"AD" · 2 letters · shape VC · "avid" · 4 letters · shape VCVC
Known mistypes of this pair
- avid ← aivd · avdi · avidd · avvid · vaid
Frequently Asked Questions
Can "AD" and "avid" be used interchangeably?
In ordinary English text, does "AD" or "avid" show up more?
What to do next
Eye-level mix-up between "AD" and "avid" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "AD" 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 #456,299 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "AD" 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 #456,299 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.