nilvsnogTell them apart

Which to use

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

#18,905
“nil” frequency rank
#46,089
“nog” frequency rank
64994
confusion score

Side-by-Side Comparison

Feature nil nog
Definition Nothing; zero. A wooden block, the size of a brick, built into a wall, as a hold for the nails of woodwork.

Where the eye mixes nil and nog

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. nil and nog follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
nil
3 ch
nog

Why the eye confuses nil with nog

A purely visual mix-up. nil (/nɪl/) and nog (/nɒɡ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 64994, derived from the frequency rank of both members and their visual similarity.

nil is recorded at frequency rank #18,905, classified as anoun, pronounced /nɪl/. nog is at rank #46,089, tagged as anoun, pronounced /nɒɡ/.

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 64994, this pair ranks #74,945 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of nil vs nog

Shared letters: n. Private to "nil": il. Private to "nog": go.

"nil" · 3 letters · shape CVC  ·  "nog" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "nil" for "nog" ever safe?
No. They are said differently (/nɪl/ versus /nɒɡ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "nil" or "nog" show up more?
"nil" is the more common of the two: it sits at frequency rank #18,905 in our English list, against #46,089 for "nog". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "nil" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nog" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #74,945 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "nil" and "nog" also get mixed up with nearby pairs, the highest-scored neighbour is "nog vs NPL". Nearby pair

Confusion rank #74,945 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