farvsfMRIWhich spelling fits?

Quick tell: far is a adjective, fMRI is a noun, so they fill different roles in a sentence.

Which to use

“far” is an adjective and “fMRI” is a noun - they look or sound alike but fill different roles in a sentence.

#295
“far” frequency rank
#42,643
“fMRI” frequency rank
42938
confusion score

Side-by-Side Comparison

Feature far fMRI
Definition Distant; remote in space. Initialism of functional magnetic resonance imaging.

Letter map: far vs fMRI

Shared letters muted; letters that set far and fMRI apart highlighted. Shared run: 2.

3 ch
far
4 ch
fMRI

Role in the sentence - far and fMRI

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: far is anadjective and fMRIanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42938, derived from the frequency rank of both members and their visual similarity.

far is recorded at frequency rank #295, classified as anadj, pronounced /fɑː/. fMRI is at rank #42,643, 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 42938, this pair ranks #244,746 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of far vs fMRI

Shared letters: fr. Private to "far": a. Private to "fMRI": im.

"far" · 3 letters · shape CVC  ·  "fMRI" · 4 letters · shape CCCV

Known mistypes of this pair

  • fMRIffmri · fmir · fmmri · fmrri · frmi · mfri

Frequently Asked Questions

Can "far" and "fMRI" be used interchangeably?
No - they are not even the same part of speech. "far" is an adjective and "fMRI" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "far" vs "fMRI" - which ranks higher?
"far" is the more common of the two: it sits at frequency rank #295 in our English list, against #42,643 for "fMRI". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "far" vs "fMRI" is on the table, pick a follow-up below.

  • Full dictionary entry for "far" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fMRI" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #244,746 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "far" and "fMRI" also get mixed up with nearby pairs, the highest-scored neighbour is "Fars vs fMRI". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #244,746 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