NPLvsnthWhat's the difference?

Quick tell: NPL is a name, nth is an adjective, so they fill different roles in a sentence.

Which to use

“NPL” is a name and “nth” is an adjective - they look or sound alike but fill different roles in a sentence.

#49,528
“NPL” frequency rank
#32,102
“nth” frequency rank
81630
confusion score

Side-by-Side Comparison

Feature NPL nth
Definition Initialism of National Physical Laboratory. Occurring at position n in a sequence.

Where the spellings diverge

Shared letters are muted; the letters that actually set NPL and nth apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
NPL
3 ch
nth

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: NPL is aname and nthanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 81630, derived from the frequency rank of both members and their visual similarity.

NPL is recorded at frequency rank #49,528, classified as aname. nth is at rank #32,102, tagged as anadj, pronounced /ɛnθ/.

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 81630, this pair ranks #17,298 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of NPL vs nth

Shared letters: n. Private to "NPL": lp. Private to "nth": ht.

"NPL" · 3 letters · shape CCC  ·  "nth" · 3 letters · shape CCC

Frequency comparison

NPL#49,528
nth#32,102

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "NPL" and "nth" be used interchangeably?
No - they are not even the same part of speech. "NPL" is a name and "nth" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "NPL" or "nth"?
"nth" is the more common of the two: it sits at frequency rank #32,102 in our English list, against #49,528 for "NPL". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering NPL vs nth

The fastest way to pick the right one every time.

  • Check the role first: if you need a name, it's “NPL”; for an adjective, it's “nth”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “NPL” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list