fluevsFTSEWhat's the difference?

Quick tell: flue is a noun, FTSE is a name, so they fill different roles in a sentence.

By · Compiled from Wiktionary via kaikki.org ·

Which to use

“flue” is a noun and “FTSE” is a name - they look or sound alike but fill different roles in a sentence.

#38,401
“flue” frequency rank
#38,851
“FTSE” frequency rank
77252
confusion score

Side-by-Side Comparison

Feature flue FTSE
Definition A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace). Financial Times and Stock Exchange.

Where the spellings diverge

Shared letters are muted; the letters that actually set flue and FTSE apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch
flue
4 ch
FTSE

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: flue is /fluː/ while FTSE is /ˈfʊt.si/. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 77252, derived from the frequency rank of both members and their visual similarity.

flue is recorded at frequency rank #38,401, classified as anoun, pronounced /fluː/. FTSE is at rank #38,851, tagged as aname, pronounced /ˈfʊt.si/.

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 77252, this pair ranks #27,767 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of flue vs FTSE

Shared letters: ef. Private to "flue": lu. Private to "FTSE": st.

"flue" · 4 letters · shape CCVV  ·  "FTSE" · 4 letters · shape CCCV

Known mistypes of this pair

  • flue ← fflue · fleu · fllue · lfue
  • FTSE ← fftse · fste · ftes · ftsse · fttse · tfse

Frequency comparison

flue#38,401
FTSE#38,851

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "flue" and "FTSE" be used interchangeably?
No - they are not even the same part of speech. "flue" is a noun and "FTSE" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "flue" or "FTSE"?
"flue" is the more common of the two: it sits at frequency rank #38,401 in our English list, against #38,851 for "FTSE". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering flue vs FTSE

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “flue”; for a name, it's “FTSE”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “flue” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list