tediousvstenuousWhich spelling fits?

Which to use

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

#15,076
“tedious” frequency rank
#28,399
“tenuous” frequency rank
43475
confusion score

Side-by-Side Comparison

Feature tedious tenuous
Definition Boring, monotonous, time-consuming, wearisome, livelong. Thin in substance or consistency.

Where the eye mixes tedious and tenuous

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
tedious
7 ch
tenuous

Why the eye confuses tedious with tenuous

A purely visual mix-up. tedious (/ˈtiː.dɪəs/) and tenuous (/ˈtɛn.ju.əs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43475, derived from the frequency rank of both members and their visual similarity.

tedious is recorded at frequency rank #15,076, classified as anadj, pronounced /ˈtiː.dɪəs/. tenuous is at rank #28,399, tagged as anadj, pronounced /ˈtɛn.ju.əs/.

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 43475, this pair ranks #239,655 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tedious vs tenuous

Shared letters: eostu. Private to "tedious": di. Private to "tenuous": n.

"tedious" · 7 letters · shape CVCVVVC  ·  "tenuous" · 7 letters · shape CVCVVVC

Known mistypes of this pair

  • tediousetdious · tdeious · teddious · tediosu · tediouss · tediuos · tedoius · teidous
  • tenuousetnuous · tennuous · tenouus · tenuosu · tenuouss · tenuuos · teunous · tneuous

Frequently Asked Questions

Do "tedious" and "tenuous" mean the same thing in a sentence?
No. They are said differently (/ˈtiː.dɪəs/ versus /ˈtɛn.ju.əs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "tedious" vs "tenuous" - which ranks higher?
"tedious" is the more common of the two: it sits at frequency rank #15,076 in our English list, against #28,399 for "tenuous". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "tedious" and "tenuous" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "tedious" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tenuous" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #239,655 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • 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 #239,655 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