NIHvsnowTell them apart

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

Which to use

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

#18,376
“NIH” frequency rank
#72
“now” frequency rank
18448
confusion score

Side-by-Side Comparison

Feature NIH now
Definition Initialism of National Institutes of Health. Present; current.

Letter map: NIH vs now

Shared letters muted; letters that set NIH and now apart highlighted. Shared run: 1.

3 ch
NIH
3 ch
now

Role in the sentence - NIH and now

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: NIH is aname and nowanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 18448, derived from the frequency rank of both members and their visual similarity.

NIH is recorded at frequency rank #18,376, classified as aname. now is at rank #72, tagged as anadj, pronounced /naʊ/.

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 18448, this pair ranks #444,844 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of NIH vs now

Shared letters: n. Private to "NIH": hi. Private to "now": ow.

"NIH" · 3 letters · shape CVC  ·  "now" · 3 letters · shape CVC

Frequently Asked Questions

Do "NIH" and "now" mean the same thing in a sentence?
No - they are not even the same part of speech. "NIH" is a name and "now" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "NIH" vs "now" - which ranks higher?
"now" is the more common of the two: it sits at frequency rank #72 in our English list, against #18,376 for "NIH". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "NIH" and "now".

  • Full dictionary entry for "NIH" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "now" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #444,844 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "NIH" and "now" also get mixed up with nearby pairs, the highest-scored neighbour is "NIH vs NPL". Nearby pair

Confusion rank #444,844 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