Which to use
“agar” is a noun and “ajar” is an adverb - they look or sound alike but fill different roles in a sentence.
- #28,103
- “agar” frequency rank
- #48,584
- “ajar” frequency rank
- 76687
- confusion score
Side-by-Side Comparison
| Feature | agar | ajar |
|---|---|---|
| Definition | A gelatinous substance obtained from red algae, especially Gracilaria species, used as a bacterial culture medium, in electrophoresis and as a food additive. | Slightly turned or opened. |
Where the spellings diverge
Shared letters are muted; the letters that actually set agar and ajar apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: agar is /ˈeɪ.ɡə/ while ajar is /əˈd͡ʒɑː/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - g in “agar” becomes j in “ajar”, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 76687, derived from the frequency rank of both members and their visual similarity.
agar is recorded at frequency rank #28,103, classified as anoun, pronounced /ˈeɪ.ɡə/. ajar is at rank #48,584, tagged as anadv, pronounced /əˈd͡ʒɑː/.
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 76687, this pair ranks #29,404 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of agar vs ajar
Shared letters: ar. Private to "agar": g. Private to "ajar": j.
"agar" · 4 letters · shape VCVC · "ajar" · 4 letters · shape VCVC
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "agar" and "ajar" be used interchangeably?
Which is more common, "agar" or "ajar"?
Remembering agar vs ajar
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “agar”; for an adverb, it's “ajar”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “agar” entry
- Browse more pairs most likely to be confused. Most confusable