# cons vs coo

> English confusable word pair

## The two words

### cons
*noun · IPA /ˈkɑnz/ · frequency rank #10,183*
A data structure in Lisp that is a pair of pointers, car and cdr, used mainly for lists.

### coo
*noun · IPA /kuː/ · frequency rank #19,567*
The murmuring sound made by a dove or pigeon.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/cons-vs-coo