killvskrillTell them apart

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

Which to use

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

#852
“kill” frequency rank
#45,475
“krill” frequency rank
46327
confusion score

Side-by-Side Comparison

Feature kill krill
Definition To put to death; to extinguish the life of. Any of several small marine crustacean species of plankton in the order Euphausiacea in the class Malacostraca.

Where the eye mixes kill and krill

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

4 ch
kill
5 ch
krill

Visual trap between kill and krill

These two trip readers on the page rather than in the ear: kill is /kɪl/ while krill is /kɹɪl/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 46327, derived from the frequency rank of both members and their visual similarity.

kill is recorded at frequency rank #852, classified as averb, pronounced /kɪl/. krill is at rank #45,475, tagged as anoun, pronounced /kɹɪl/.

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 46327, this pair ranks #212,842 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of kill vs krill

Shared letters: ikl. Private to "kill": -. Private to "krill": r.

"kill" · 4 letters · shape CVCC  ·  "krill" · 5 letters · shape CCVCC

Known mistypes of this pair

  • killikll · kil · kkill · klil
  • krillkirll · kkrill · kril · krlil · krrill · rkill

Frequently Asked Questions

Do "kill" and "krill" mean the same thing in a sentence?
No - they are not even the same part of speech. "kill" is a verb and "krill" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "kill" vs "krill" - which ranks higher?
"kill" is the more common of the two: it sits at frequency rank #852 in our English list, against #45,475 for "krill". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "kill" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "krill" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #212,842 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "kill" and "krill" also get mixed up with nearby pairs, the highest-scored neighbour is "krill vs Kroll". 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 #212,842 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