papvsplopWhich spelling fits?

Which to use

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

#20,178
“pap” frequency rank
#46,702
“plop” frequency rank
66880
confusion score

Side-by-Side Comparison

Feature pap plop
Definition Food in the form of a soft paste, often a porridge, especially as given to very young children. A sound or action like liquid hitting a hard surface, or an object falling into a body of water.

Where the eye mixes pap and plop

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
pap
4 ch
plop

Why the eye confuses pap with plop

A purely visual mix-up. pap (/pæp/) and plop (/plɒp/) 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 letter(s) in length. Our composite confusion score for this pair is 66880, derived from the frequency rank of both members and their visual similarity.

pap is recorded at frequency rank #20,178, classified as anoun, pronounced /pæp/. plop is at rank #46,702, tagged as anoun, pronounced /plɒp/.

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 66880, this pair ranks #65,987 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of pap vs plop

Shared letters: p. Private to "pap": a. Private to "plop": lo.

"pap" · 3 letters · shape CVC  ·  "plop" · 4 letters · shape CCVC

Known mistypes of this pair

  • ploplpop · pllop · plopp · plpo · polp · pplop

Frequently Asked Questions

Can "pap" and "plop" be used interchangeably?
No. They are said differently (/pæp/ versus /plɒp/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "pap" or "plop"?
"pap" is the more common of the two: it sits at frequency rank #20,178 in our English list, against #46,702 for "plop". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "pap" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "plop" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #65,987 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pap" and "plop" also get mixed up with nearby pairs, the highest-scored neighbour is "plop vs poops". 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 #65,987 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