Which to use
“mast” and “master” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #14,584
- “mast” frequency rank
- #1,250
- “master” frequency rank
- 15834
- confusion score
Side-by-Side Comparison
| Feature | mast | master |
|---|---|---|
| Definition | A tall, slim post or tower, usually tapering upward, used to support, for example, sails or observation platforms on a ship, the main rotor of a helicopter, flags, floodlights, meteorological instruments, or communications equipment, such as an aerial, usually supported by guy-wires (except in the case of a helicopter). | Someone who has control over something or someone. |
Where the spellings diverge
Shared letters are muted; the letters that actually set mast and master apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
mast and master form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “mast” sits inside “master” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 15834, derived from the frequency rank of both members and their visual similarity.
mast is recorded at frequency rank #14,584, classified as anoun, pronounced /mɑːst/. master is at rank #1,250, tagged as anoun, pronounced /ˈmɑːs.tə/.
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 15834, this pair ranks #461,506 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "mast" and "master" be used interchangeably?
Remembering mast vs master
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “mast” entry
- Browse more pairs most likely to be confused. Most confusable