Which to use
“master” and “mastery” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,250
- “master” frequency rank
- #13,562
- “mastery” frequency rank
- 14812
- confusion score
Side-by-Side Comparison
| Feature | master | mastery |
|---|---|---|
| Definition | Someone who has control over something or someone. | The position or authority of a master; dominion; command; supremacy; superiority. |
Where the eye mixes master and mastery
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Visual trap between master and mastery
A purely visual mix-up. master (/ˈmɑːs.tə/) and mastery (/ˈmɑːs.t(ə.)ɹi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “master” sits inside “mastery”. Our composite confusion score for this pair is 14812, derived from the frequency rank of both members and their visual similarity.
master is recorded at frequency rank #1,250, classified as anoun, pronounced /ˈmɑːs.tə/. mastery is at rank #13,562, tagged as anoun, pronounced /ˈmɑːs.t(ə.)ɹi/.
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 14812, this pair ranks #467,796 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of master vs mastery
Shared letters: aemrst. Private to "master": -. Private to "mastery": y.
"master" · 6 letters · shape CVCCVC · "mastery" · 7 letters · shape CVCCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "master" for "mastery" ever safe?
In ordinary English text, does "master" or "mastery" show up more?
What to do next
Eye-level mix-up between "master" and "mastery" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "master" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mastery" - compare definitions side by side with the headword page. Word entry
- This pair ranks #467,796 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "master" and "mastery" also get mixed up with nearby pairs, the highest-scored neighbour is "Margery vs mastery". 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 #467,796 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.