FCO vs FEC, What's the Difference?

Which to use

“FCO” and “FEC” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#49,916
“FCO” frequency rank: #33,647
“FEC” frequency rank: 83563
confusion score

Side-by-Side Comparison

Feature	FCO	FEC
Definition	Initialism of Foreign and Commonwealth Office.	Initialism of Federal Election Commission.

Letter map: FCO vs FEC

Shared letters muted; letters that set FCO and FEC apart highlighted. Shared run: 2. FCO (CCV) and FEC (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch

FCO

3 ch

FEC

Corpus notes: FCO and FEC

FCO and FEC are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 83563, derived from the frequency rank of both members and their visual similarity.

FCO is recorded at frequency rank #49,916, classified as aname. FEC is at rank #33,647, tagged as aname.

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 83563, this pair ranks #13,554 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of FCO vs FEC

Shared letters: cf. Private to "FCO": o. Private to "FEC": e.

"FCO" · 3 letters · shape CCV · "FEC" · 3 letters · shape CVC

Frequently Asked Questions

Do "FCO" and "FEC" mean the same thing in a sentence?

No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Which is more common, "FCO" or "FEC"?

"FEC" is the more common of the two: it sits at frequency rank #33,647 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 "FEC". Here's where to go from here.

Full dictionary entry for "FCO" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "FEC" - compare definitions side by side with the headword page. Word entry
This pair ranks #13,554 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"FCO" and "FEC" also get mixed up with nearby pairs, the highest-scored neighbour is "FCO vs FOMO". Nearby pair

Confusion rank #13,554 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.