idlevsinletWhich spelling fits?

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

Which to use

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

#11,235
“idle” frequency rank
#16,051
“inlet” frequency rank
27286
confusion score

Side-by-Side Comparison

Feature idle inlet
Definition Empty, vacant. A body of water let into a coast, such as a bay, cove, fjord or estuary.

Where the eye mixes idle and inlet

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
idle
5 ch
inlet

Look-alike desk: idle vs inlet

These two trip readers on the page rather than in the ear: idle is /ˈaɪd(ə)l/ while inlet is /ˈɪnlət/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 27286, derived from the frequency rank of both members and their visual similarity.

idle is recorded at frequency rank #11,235, classified as anadj, pronounced /ˈaɪd(ə)l/. inlet is at rank #16,051, tagged as anoun, pronounced /ˈɪnlət/.

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 27286, this pair ranks #380,134 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of idle vs inlet

Shared letters: eil. Private to "idle": d. Private to "inlet": nt.

"idle" · 4 letters · shape VCCV  ·  "inlet" · 5 letters · shape VCCVC

Known mistypes of this pair

  • idledile · iddle · idel · idlle · ilde
  • inletilnet · inelt · inlett · inllet · inlte · innlet · nilet

Frequently Asked Questions

Is swapping "idle" for "inlet" ever safe?
No - they are not even the same part of speech. "idle" is an adjective and "inlet" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "idle" or "inlet"?
"idle" is the more common of the two: it sits at frequency rank #11,235 in our English list, against #16,051 for "inlet". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "idle" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "inlet" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #380,134 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "idle" and "inlet" also get mixed up with nearby pairs, the highest-scored neighbour is "inlay vs inlet". 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 #380,134 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