FCOvsFTPWhat's the difference?

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

Which to use

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

#49,916
“FCO” frequency rank
#28,555
“FTP” frequency rank
78471
confusion score

Side-by-Side Comparison

Feature FCO FTP
Definition Initialism of Foreign and Commonwealth Office. free-to-play

Letter map: FCO vs FTP

Shared letters muted; letters that set FCO and FTP apart highlighted. Shared run: 1.

3 ch
FCO
3 ch
FTP

Grammar separator: FCO vs FTP

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: FCO is aname and FTPanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 78471, derived from the frequency rank of both members and their visual similarity.

FCO is recorded at frequency rank #49,916, classified as aname. FTP is at rank #28,555, tagged as anadj, pronounced /ˌɛf tiː ˈpiː/.

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 78471, this pair ranks #24,566 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of FCO vs FTP

Shared letters: f. Private to "FCO": co. Private to "FTP": pt.

"FCO" · 3 letters · shape CCV  ·  "FTP" · 3 letters · shape CCC

Frequently Asked Questions

Is swapping "FCO" for "FTP" ever safe?
No - they are not even the same part of speech. "FCO" is a name and "FTP" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "FCO" or "FTP" show up more?
"FTP" is the more common of the two: it sits at frequency rank #28,555 in our English list, against #49,916 for "FCO". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "FCO" and "FTP". Here's where to go from here.

  • Full dictionary entry for "FCO" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "FTP" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,566 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "FCO" and "FTP" also get mixed up with nearby pairs, the highest-scored neighbour is "FCO vs FOMO". Nearby pair

Confusion rank #24,566 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