Which to use
“plug” and “png” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,726
- “plug” frequency rank
- #18,161
- “png” frequency rank
- 23887
- confusion score
Side-by-Side Comparison
| Feature | plug | png |
|---|---|---|
| Definition | A pronged connecting device which fits into a mating socket, especially an electrical one. | Alternative letter-case form of PNG; Portable Network Graphics, an open protocol for digital images. |
Where the eye mixes plug and png
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses plug with png
A purely visual mix-up. plug (/plʌɡ/) and png (/pɪŋ/) 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 23887, derived from the frequency rank of both members and their visual similarity.
plug is recorded at frequency rank #5,726, classified as anoun, pronounced /plʌɡ/. png is at rank #18,161, tagged as anoun, pronounced /pɪŋ/.
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 23887, this pair ranks #406,025 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of plug vs png
Shared letters: gp. Private to "plug": lu. Private to "png": n.
"plug" · 4 letters · shape CCVC · "png" · 3 letters · shape CCC
Known mistypes of this pair
- plug ← lpug · plgu · pllug · plugg · pplug · pulg
Frequently Asked Questions
Can "plug" and "png" be used interchangeably?
In ordinary English text, does "plug" or "png" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "plug" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "png" - compare definitions side by side with the headword page. Word entry
- This pair ranks #406,025 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "plug" and "png" also get mixed up with nearby pairs, the highest-scored neighbour is "png vs PPA". 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 #406,025 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.