pulsarvspulsedConfusable pair

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

Which to use

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

#41,829
“pulsar” frequency rank
#35,470
“pulsed” frequency rank
77299
confusion score

Side-by-Side Comparison

Feature pulsar pulsed
Definition A rotating neutron star that emits radio pulses periodically. simple past and past participle of pulse

Letter map: pulsar vs pulsed

Shared letters muted; letters that set pulsar and pulsed apart highlighted. Shared run: 4. pulsar and pulsed follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
pulsar
6 ch
pulsed

Part-of-speech tell for pulsar / pulsed

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pulsar is anoun and pulsedaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 77299, derived from the frequency rank of both members and their visual similarity.

pulsar is recorded at frequency rank #41,829, classified as anoun. pulsed is at rank #35,470, tagged as averb, pronounced /pʌlst/.

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 77299, this pair ranks #27,674 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of pulsar vs pulsed

Shared letters: lpsu. Private to "pulsar": ar. Private to "pulsed": de.

"pulsar" · 6 letters · shape CVCCVC  ·  "pulsed" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • pulsar ← plusar · ppulsar · pulasr · pullsar · pulsarr · pulsra · pulssar · puslar
  • pulsed ← plused · ppulsed · pulesd · pullsed · pulsde · pulsedd · pulssed · pusled

Frequently Asked Questions

Do "pulsar" and "pulsed" mean the same thing in a sentence?
No - they are not even the same part of speech. "pulsar" is a noun and "pulsed" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pulsar" or "pulsed"?
"pulsed" is the more common of the two: it sits at frequency rank #35,470 in our English list, against #41,829 for "pulsar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "pulsar" vs "pulsed" is on the table, pick a follow-up below.

  • Full dictionary entry for "pulsar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pulsed" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,674 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pulsar" and "pulsed" also get mixed up with nearby pairs, the highest-scored neighbour is "puller vs pulsar". 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 #27,674 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