oarvsofWhat's the difference?

Quick tell: oar is a noun, of is a preposition, so they fill different roles in a sentence.

Which to use

“oar” is a noun and “of” is a preposition - they look or sound alike but fill different roles in a sentence.

#33,347
“oar” frequency rank
#4
“of” frequency rank
33351
confusion score

Side-by-Side Comparison

Feature oar of
Definition A type of lever used to propel a boat, having a flat blade at one end and a handle at the other, and pivoted in a rowlock atop the gunwale, whereby a rower seated in the boat and pulling the handle can pass the blade through the water by repeated strokes against the water's resistance, thus moving the boat. Expressing distance or motion.

Where the eye mixes oar and of

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
oar
2 ch
of

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: oar is /ɔː/ while of is /ɒv/. 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 preposition), which is usually the fastest check. Our composite confusion score for this pair is 33351, derived from the frequency rank of both members and their visual similarity.

oar is recorded at frequency rank #33,347, classified as anoun, pronounced /ɔː/. of is at rank #4, tagged as aprep, pronounced /ɒv/.

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 33351, this pair ranks #330,218 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of oar vs of

Shared letters: o. Private to "oar": ar. Private to "of": f.

"oar" · 3 letters · shape VVC  ·  "of" · 2 letters · shape VC

Frequently Asked Questions

Can "oar" and "of" be used interchangeably?
No - they are not even the same part of speech. "oar" is a noun and "of" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "oar" or "of"?
"of" is the more common of the two: it sits at frequency rank #4 in our English list, against #33,347 for "oar". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list