oblivionvsobliviousWhat's the difference?

Quick tell: oblivion is a noun, oblivious is an adjective, so they fill different roles in a sentence.

Which to use

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

#19,152
“oblivion” frequency rank
#19,401
“oblivious” frequency rank
38553
confusion score

Side-by-Side Comparison

Feature oblivion oblivious
Definition The state of forgetting completely, of being oblivious, unconscious, unaware, as when sleeping, drunk, or dead. Lacking awareness; unmindful; unaware, unconscious of.

Where the spellings diverge

Shared letters are muted; the letters that actually set oblivion and oblivious apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

8 ch
oblivion
9 ch
oblivious

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: oblivion is /əˈblɪviːən/ while oblivious is /əˈblɪviːəs/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 38553, derived from the frequency rank of both members and their visual similarity.

oblivion is recorded at frequency rank #19,152, classified as anoun, pronounced /əˈblɪviːən/. oblivious is at rank #19,401, tagged as anadj, pronounced /əˈblɪviːəs/.

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 38553, this pair ranks #284,900 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of oblivion vs oblivious

Shared letters: bilov. Private to "oblivion": n. Private to "oblivious": su.

"oblivion" · 8 letters · shape VCCVCVVC  ·  "oblivious" · 9 letters · shape VCCVCVVVC

Known mistypes of this pair

  • oblivionbolivion · obblivion · obilvion · obliivon · oblivino · oblivionn · oblivoin · oblivvion
  • obliviousbolivious · obblivious · obilvious · obliivous · obliviosu · obliviouss · obliviuos · oblivoius

Frequency comparison

oblivion#19,152
oblivious#19,401

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "oblivion" and "oblivious" be used interchangeably?
No - they are not even the same part of speech. "oblivion" is a noun and "oblivious" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "oblivion" or "oblivious"?
"oblivion" is the more common of the two: it sits at frequency rank #19,152 in our English list, against #19,401 for "oblivious". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering oblivion vs oblivious

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “oblivion”; for an adjective, it's “oblivious”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “oblivion” 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