Words Are CATegorical ®

The best-selling Words Are CATegorical® series introduces young readers to different types of words through rhyming verse and illustrations of comical cartoon cats. Offering a lighthearted perspective, each title shows readers the fun and entertaining world of language.

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Cover: Pre- and Re-, Mis- and Dis-: What Is a Prefix?

Cover: Chips and Cheese and Nana's Knees: What Is Alliteration?

Cover: -Ful and -Less, -Er and -Ness: What Is a Suffix?

Available Titles
Available Sets
eSource: Free Teaching Guides

Title	Lexile	GRL	ATOS	©
Breezier, Cheesier, Newest, and Bluest: What Are Comparatives and Superlatives?	630	O		2013
But and For, Yet and Nor: What Is a Conjunction?	580	O		2010
I'm and Won't, They're and Don't: What's a Contraction?	490	O		2010
Madam and Nun and 1001: What Is a Palindrome?	610	O		2012
A Mink, a Fink, a Skating Rink: What Is a Noun?		O	3.3	1999
Quirky, Jerky, Extra Perky: More about Adjectives	790	O	3.6	2007
Stroll and Walk, Babble and Talk: More about Synonyms	620	O		2008

Available in limited formats
Soon! Spring 2026
New! Fall 2025
New! Spring 2025

Title	Season	Lexile	GRL	ATOS	©	Add to Cart
Words Are CATegorical ® — Paperback Set					2015	Paperback $225.84, 27 titles

Available in limited formats
Soon! Spring 2026
New! Fall 2025
New! Spring 2025

Lerner eSource™ offers free digital teaching and learning resources, including Common Core State Standards (CCSS) teaching guides. These guides, created by classroom teachers, offer short lessons and writing exercises that give students specific instruction and practice using Common Core skills and strategies. Lerner eSource also provides additional resources including online activities, downloadable/printable graphic organizers, and additional educational materials that would also support Common Core instruction. Download, share, pin, print, and save as many of these free resources as you like!