Which to use
“serious” and “spurious” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #836
- “serious” frequency rank
- #30,602
- “spurious” frequency rank
- 31438
- confusion score
Side-by-Side Comparison
| Feature | serious | spurious |
|---|---|---|
| Definition | Without humor or expression of happiness; grave in manner or disposition. | False, not authentic, not genuine. |
Where the eye mixes serious and spurious
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Spelling & Dictionary Insight
A purely visual mix-up. serious (/ˈsɪə̯.ɹi.əs/) and spurious (/ˈspjʊə.ɹi.əs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 31438, derived from the frequency rank of both members and their visual similarity.
serious is recorded at frequency rank #836, classified as anadj, pronounced /ˈsɪə̯.ɹi.əs/. spurious is at rank #30,602, tagged as anadj, pronounced /ˈspjʊə.ɹi.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 31438, this pair ranks #346,144 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of serious vs spurious
Shared letters: iorsu. Private to "serious": e. Private to "spurious": p.
"serious" · 7 letters · shape CVCVVVC · "spurious" · 8 letters · shape CCVCVVVC