Which to use
“underage” is an adjective and “underlie” is a verb - they look or sound alike but fill different roles in a sentence.
- #15,727
- “underage” frequency rank
- #42,970
- “underlie” frequency rank
- 58697
- confusion score
Side-by-Side Comparison
| Feature | underage | underlie |
|---|---|---|
| Definition | Below the legal age (usually age 18) for some activity, such as consuming alcohol or engaging in sexual intercourse. | To lie in a position directly beneath something. |
Where the spellings diverge
Shared letters are muted; the letters that actually set underage and underlie apart are highlighted. They share 6 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: underage is /ˌʌndəɹˈeɪd͡ʒ/ while underlie is /ˌʌn.dəˈlaɪ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 58697, derived from the frequency rank of both members and their visual similarity.
underage is recorded at frequency rank #15,727, classified as anadj, pronounced /ˌʌndəɹˈeɪd͡ʒ/. underlie is at rank #42,970, tagged as averb, pronounced /ˌʌn.dəˈlaɪ/.
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 58697, this pair ranks #110,879 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of underage vs underlie
Shared letters: denru. Private to "underage": ag. Private to "underlie": il.
"underage" · 8 letters · shape VCCVCVCV · "underlie" · 8 letters · shape VCCVCCVV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "underage" and "underlie" be used interchangeably?
Which is more common, "underage" or "underlie"?
Remembering underage vs underlie
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “underage”; for a verb, it's “underlie”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “underage” entry
- Browse more pairs most likely to be confused. Most confusable