now vs NSA, What's the Difference?

Which to use

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

#72
“now” frequency rank: #8,834
“NSA” frequency rank: 8906
confusion score

Side-by-Side Comparison

Feature	now	NSA
Definition	Present; current.	Initialism of no strings attached.

Where the eye mixes now and NSA

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

now

3 ch

NSA

Why the eye confuses now with NSA

These two trip readers on the page rather than in the ear: now is /naʊ/ while NSA is /ˈɛn.ɛs.eɪ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 8906, derived from the frequency rank of both members and their visual similarity.

now is recorded at frequency rank #72, classified as anadj, pronounced /naʊ/. NSA is at rank #8,834, tagged as anadv, pronounced /ˈɛn.ɛs.eɪ/.

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 8906, this pair ranks #500,099 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of now vs NSA

Shared letters: n. Private to "now": ow. Private to "NSA": as.

"now" · 3 letters · shape CVC · "NSA" · 3 letters · shape CCV

Frequently Asked Questions

Do "now" and "NSA" mean the same thing in a sentence?

No - they are not even the same part of speech. "now" is an adjective and "NSA" an adverb, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "now" vs "NSA" - which ranks higher?

"now" is the more common of the two: it sits at frequency rank #72 in our English list, against #8,834 for "NSA". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "now" and "NSA" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "now" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "NSA" - compare definitions side by side with the headword page. Word entry
This pair ranks #500,099 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"now" and "NSA" also get mixed up with nearby pairs, the highest-scored neighbour is "NPL vs NSA". Nearby pair

Confusion rank #500,099 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.