massedvsmasterTell them apart

Quick tell: massed is a verb, master is a noun, so they fill different roles in a sentence.

Which to use

“massed” is a verb and “master” is a noun - they look or sound alike but fill different roles in a sentence.

#35,823
“massed” frequency rank
#1,250
“master” frequency rank
37073
confusion score

Side-by-Side Comparison

Feature massed master
Definition simple past and past participle of mass Someone who has control over something or someone.

Where the eye mixes massed and master

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
massed
6 ch
master

Visual trap between massed and master

These two trip readers on the page rather than in the ear: massed is /mæst/ while master is /ˈmɑːs.tə/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 37073, derived from the frequency rank of both members and their visual similarity.

massed is recorded at frequency rank #35,823, classified as averb, pronounced /mæst/. 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 37073, this pair ranks #297,668 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of massed vs master

Shared letters: aems. Private to "massed": d. Private to "master": rt.

"massed" · 6 letters · shape CVCCVC  ·  "master" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • massedamssed · mased · masesd · massde · massedd · mmassed · msased
  • masteramster · masetr · masster · masterr · mastre · mastter · matser · mmaster

Frequently Asked Questions

Can "massed" and "master" be used interchangeably?
No - they are not even the same part of speech. "massed" is a verb and "master" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "massed" or "master"?
"master" is the more common of the two: it sits at frequency rank #1,250 in our English list, against #35,823 for "massed". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "massed" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "master" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #297,668 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "massed" and "master" also get mixed up with nearby pairs, the highest-scored neighbour is "Masood vs massed". 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 #297,668 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list