fas vs FTL, What's the Difference?

Which to use

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

#27,454
“fas” frequency rank: #43,159
“FTL” frequency rank: 70613
confusion score

Side-by-Side Comparison

Feature	fas	FTL
Definition	A border or fringe.	Initialism of full truck load.

Letter map: fas vs FTL

Shared letters muted; letters that set fas and FTL apart highlighted. Shared run: 1. fas (CVC) and FTL (CCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch

fas

3 ch

FTL

Corpus notes: fas and FTL

fas and FTL 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 70613, derived from the frequency rank of both members and their visual similarity.

fas is recorded at frequency rank #27,454, classified as anoun. FTL is at rank #43,159, tagged as anoun.

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 70613, this pair ranks #49,865 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of fas vs FTL

Shared letters: f. Private to "fas": as. Private to "FTL": lt.

"fas" · 3 letters · shape CVC · "FTL" · 3 letters · shape CCC

Frequently Asked Questions

Is swapping "fas" for "FTL" ever safe?

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.

In ordinary English text, does "fas" or "FTL" show up more?

"fas" is the more common of the two: it sits at frequency rank #27,454 in our English list, against #43,159 for "FTL". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "fas" vs "FTL" is on the table, pick a follow-up below.

Full dictionary entry for "fas" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "FTL" - compare definitions side by side with the headword page. Word entry
This pair ranks #49,865 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"fas" and "FTL" also get mixed up with nearby pairs, the highest-scored neighbour is "foh vs FTL". Nearby pair

Confusion rank #49,865 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.