NSA vs of, What's the Difference?

Which to use

“NSA” is a noun and “of” is a preposition - they look or sound alike but fill different roles in a sentence.

#4,454
“NSA” frequency rank: #324
“of” frequency rank: 4778
confusion score

Side-by-Side Comparison

Feature	NSA	of
Definition	National Security Agency, militärischer Nachrichtendienst der USA	von

Letter map: NSA vs of

Shared letters muted; letters that set NSA and of apart highlighted. No shared letter run.

3 ch

NSA

2 ch

Part-of-speech tell for NSA / of

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: NSA is anoun and ofapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 4778, derived from the frequency rank of both members and their visual similarity.

NSA is recorded at frequency rank #4,454, classified as anoun, pronounced […]. of is at rank #324, tagged as aprep, pronounced […].

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 4778, this pair ranks #1,996,698 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of NSA vs of

Shared letters: none. Private to "NSA": ans. Private to "of": fo.

"NSA" · 3 letters · shape CCV · "of" · 2 letters · shape VC

Frequently Asked Questions

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

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

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

"of" is the more common of the two: it sits at frequency rank #324 in our German list, against #4,454 for "NSA". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "NSA" vs "of" is on the table, pick a follow-up below.

Full dictionary entry for "NSA" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "of" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,996,698 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"NSA" and "of" also get mixed up with nearby pairs, the highest-scored neighbour is "NSA vs puzzles". Nearby pair

Confusion rank #1,996,698 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.