nodevsNPDWhich spelling fits?

Which to use

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

#8,583
“node” frequency rank
#42,299
“NPD” frequency rank
50882
confusion score

Side-by-Side Comparison

Feature node NPD
Definition A knot, knob, protuberance or swelling. Initialism of narcissistic personality disorder.

Where the eye mixes node and NPD

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

4 ch
node
3 ch
NPD

Why the eye confuses node with NPD

A purely visual mix-up. node (/nəʊd/) and NPD (/ɛn piː diː/) 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 50882, derived from the frequency rank of both members and their visual similarity.

node is recorded at frequency rank #8,583, classified as anoun, pronounced /nəʊd/. NPD is at rank #42,299, tagged as anoun, pronounced /ɛn piː diː/.

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 50882, this pair ranks #170,326 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of node vs NPD

Shared letters: dn. Private to "node": eo. Private to "NPD": p.

"node" · 4 letters · shape CVCV  ·  "NPD" · 3 letters · shape CCC

Known mistypes of this pair

  • nodendoe · nnode · nodde · noed · onde

Frequently Asked Questions

Is swapping "node" for "NPD" ever safe?
No. They are said differently (/nəʊd/ versus /ɛn piː diː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "node" or "NPD"?
"node" is the more common of the two: it sits at frequency rank #8,583 in our English list, against #42,299 for "NPD". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "node" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "NPD" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #170,326 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "node" and "NPD" also get mixed up with nearby pairs, the highest-scored neighbour is "NPD vs NPL". 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 #170,326 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