# proctor vs proton

> English confusable word pair

## The two words

### proctor
*noun · IPA /ˈpɹɒktə(ɹ)/ · frequency rank #21,624*
A person who supervises students as they take an examination, in the United States at the college/university level; often the department secretary, or a fellow/graduate student; an invigilator.

### proton
*noun · IPA /ˈpɹəʊ.tɒn/ · frequency rank #16,779*
A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/proctor-vs-proton