Which to use
“ahem” is an intj and “alum” is a noun - they look or sound alike but fill different roles in a sentence.
- #20,828
- “ahem” frequency rank
- #20,832
- “alum” frequency rank
- 41660
- confusion score
Side-by-Side Comparison
| Feature | ahem | alum |
|---|---|---|
| Definition | The sound of a quiet cough or of clearing one's throat. | An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K₂SO₄·Al₂(SO₄)₃·24H₂O). |
Where the spellings diverge
Shared letters are muted; the letters that actually set ahem and alum apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
ahem and alum form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 41660, derived from the frequency rank of both members and their visual similarity.
ahem is recorded at frequency rank #20,828, classified as anintj, pronounced /əˈhɛm/. alum is at rank #20,832, tagged as anoun, pronounced /ˈæl.əm/.
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 41660, this pair ranks #256,234 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "ahem" and "alum" be used interchangeably?
Remembering ahem vs alum
The fastest way to pick the right one every time.
- Check the role first: if you need an intj, it's “ahem”; for a noun, it's “alum”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “ahem” entry
- Browse more pairs most likely to be confused. Most confusable