Find Synonyms

cos Synonyms

Another word for cos

Choosing another word for cos depends on context, so the synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
JUMP TO:

• conjunction (Context 1)

An informal contraction of "because", used to introduce a reason or explanation.

Usage Example

"I didn't go to the party because I was feeling too tired after work."

Strongest
because
Strong
since
as

• noun (Context 2)

The written mathematical abbreviation for cosine, the trigonometric function equal to the ratio of the side adjacent to an acute angle in a right-angled triangle to the hypotenuse.

Usage Example

"To find the horizontal component of the force vector, multiply its magnitude by cosine theta."

Strongest
cosine

• noun (Context 3)

A variety of lettuce (Lactuca sativa var. longifolia) that grows in a tall, oblong head of crisp, elongated dark-green leaves with prominent pale midribs; romaine lettuce.

Usage Example

"She tossed crisp leaves of romaine with parmesan cheese and croutons to make a classic Caesar salad."

Strongest
romaine
romaine lettuce
cos lettuce

• Nearby Words

corydalis
corydoras
corylopsis
cos
cosh
cosign
cosignatory

Cite this Entry

Wordmom. (2026). Synonyms for Cos. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/cos
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.