tovstubWhat's the difference?

Quick tell: to is a particle, tub is a noun, so they fill different roles in a sentence.

Which to use

“to” is a particle and “tub” is a noun - they look or sound alike but fill different roles in a sentence.

#2
“to” frequency rank
#8,998
“tub” frequency rank
9000
confusion score

Side-by-Side Comparison

Feature to tub
Definition A particle used for marking the following verb as an infinitive. A flat-bottomed vessel, of width similar to or greater than its height, used for storing or packing things, or for washing things in.

Where the eye mixes to and tub

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

2 ch
to
3 ch
tub

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: to is /tuː/ while tub is /tʌb/. 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 (particle vs noun), which is usually the fastest check. Our composite confusion score for this pair is 9000, derived from the frequency rank of both members and their visual similarity.

to is recorded at frequency rank #2, classified as aparticle, pronounced /tuː/. tub is at rank #8,998, tagged as anoun, pronounced /tʌb/.

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 9000, this pair ranks #499,590 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of to vs tub

Shared letters: t. Private to "to": o. Private to "tub": bu.

"to" · 2 letters · shape CV  ·  "tub" · 3 letters · shape CVC

Frequently Asked Questions

Can "to" and "tub" be used interchangeably?
No - they are not even the same part of speech. "to" is a particle and "tub" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "to" or "tub"?
"to" is the more common of the two: it sits at frequency rank #2 in our English list, against #8,998 for "tub". 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