UConnvsuponWhat's the difference?

Quick tell: UConn is a name, upon is a preposition, so they fill different roles in a sentence.

Which to use

“UConn” is a name and “upon” is a preposition - they look or sound alike but fill different roles in a sentence.

#25,959
“UConn” frequency rank
#798
“upon” frequency rank
26757
confusion score

Side-by-Side Comparison

Feature UConn upon
Definition Abbreviation of University of Connecticut. A higher-register or more formal alternative to on in most, though not all, prepositional uses.

Where the spellings diverge

Shared letters are muted; the letters that actually set UConn and upon apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
UConn
4 ch
upon

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: UConn is /ˈju.kɑn/ while upon is /əˈpɒn/. 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 (name vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 26757, derived from the frequency rank of both members and their visual similarity.

UConn is recorded at frequency rank #25,959, classified as aname, pronounced /ˈju.kɑn/. upon is at rank #798, tagged as aprep, pronounced /əˈpɒn/.

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 26757, this pair ranks #384,301 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of UConn vs upon

Shared letters: nou. Private to "UConn": c. Private to "upon": p.

"UConn" · 5 letters · shape VCVCC  ·  "upon" · 4 letters · shape VCVC

Known mistypes of this pair

  • UConncuonn · ucconn · ucnon · ucon · uocnn
  • uponpuon · uopn · upno · uponn · uppon

Frequency comparison

UConn#25,959
upon#798

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "UConn" and "upon" be used interchangeably?
No - they are not even the same part of speech. "UConn" is a name and "upon" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "UConn" or "upon"?
"upon" is the more common of the two: it sits at frequency rank #798 in our English list, against #25,959 for "UConn". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering UConn vs upon

The fastest way to pick the right one every time.

  • Check the role first: if you need a name, it's “UConn”; for a preposition, it's “upon”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “UConn” 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 FrequencyWords open word-frequency list