Starts with Ends with Contains

Enter a word to see if it's playable (up to 15 letters).
Enter any letters to see what words can be formed from them.
Use up to two "?" wildcard characters to represent blank tiles or any letter.

Don't show this again

An Encylopedia Britannica Company

Starts with Ends with Contains

Enter a word to see if it's playable (up to 15 letters).
Enter any letters to see what words can be formed from them.
Use up to two "?" wildcard characters to represent blank tiles or any letter.

Don't show this again

BIOASSAY is a playable word

bioassay Scrabble^® Dictionary

verb

bioassayed, bioassaying, bioassays

to test a substance (as a drug) in order to determine its strength

See the full definition of bioassay at merriam-webster.com »

88 Playable Words can be made from "BIOASSAY"

2-Letter Words (17 found)

aa
ab
ai
as
ay
ba
bi
bo
by
is
oi
os
oy
si
so
ya
yo

3-Letter Words (28 found)

4-Letter Words (26 found)

5-Letter Words (16 found)

8-Letter Words (1 found)

bioassay

A Delightfully Ruthless New Word Game

Take your skills to the next level with an exciting new game from Merriam-Webster!

The Merriam-Webster
Unabridged Dictionary

Merriam-Webster Unabridged Book Cover

Online access to a
legendary resource
Log In or Sign Up »

Woman With Cell Phone

Our Dictionary,
On Your Devices

Merriam-Webster,
With Voice Search
Get the Free Apps! »

The Official SCRABBLE^®
Players Dictionary

The Official SCRABBLE Players Dictionary, Eighth Edition

BOBA, KAYFABE, and SPOX
join over 200 words
added to the Eighth Edition.
Learn More »

Join Us

Merriam-Webster
on Twitter »

Merriam-Webster
on Facebook »

Merriam-Webster Shop

Dictionaries, thesauruses, and new reference books for kids. See all »

Other Merriam-Webster Dictionaries

Merriam-Webster.com » Webster's Unabridged Dictionary » Nglish - Spanish-English Translation »

Browse the SCRABBLE^® Dictionary

^® 2026 Merriam-Webster, Incorporated

HASBRO, its logo, and SCRABBLE^® are trademarks of Hasbro in the U.S. and Canada and are used with permission ^® 2026 Hasbro. All Rights Reserved.