phagevsphaseWhat's the difference?

Which to use

“phage” and “phase” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#43,841
“phage” frequency rank
#2,306
“phase” frequency rank
46147
confusion score

Side-by-Side Comparison

Feature phage phase
Definition A virus that is parasitic on bacteria. A distinguishable part of a sequence or cycle occurring over time.

Where the eye mixes phage and phase

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

5 ch
phage
5 ch
phase

Visual trap between phage and phase

A purely visual mix-up. phage (/feɪd͡ʒ/) and phase (/feɪz/) 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 a single letter - g in “phage” becomes s in “phase”. Our composite confusion score for this pair is 46147, derived from the frequency rank of both members and their visual similarity.

phage is recorded at frequency rank #43,841, classified as anoun, pronounced /feɪd͡ʒ/. phase is at rank #2,306, tagged as anoun, pronounced /feɪz/.

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 46147, this pair ranks #214,498 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of phage vs phase

Shared letters: aehp. Private to "phage": g. Private to "phase": s.

"phage" · 5 letters · shape CCVCV  ·  "phase" · 5 letters · shape CCVCV

Known mistypes of this pair

  • phagehpage · pahge · phaeg · phagge · phgae · phhage · pphage
  • phasehpase · pahse · phaes · phasse · phhase · phsae · pphase

Frequently Asked Questions

Is swapping "phage" for "phase" ever safe?
No. They are said differently (/feɪd͡ʒ/ versus /feɪz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "phage" or "phase"?
"phase" is the more common of the two: it sits at frequency rank #2,306 in our English list, against #43,841 for "phage". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "phage" and "phase" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "phage" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "phase" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #214,498 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "phage" and "phase" also get mixed up with nearby pairs, the highest-scored neighbour is "Pape vs phage". 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 #214,498 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