# tack vs TK

> English confusable word pair

## The two words

### tack
*noun · IPA /tæk/ · frequency rank #17,973*
A small nail with a flat head.

### TK
*adjective · frequency rank #23,705*
Abbreviation of to come (used as a placeholder for information to be filled in before publication).

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