Feet and Puppies, Thieves and Guppies: What Are Irregular Plurals? (Words Are CATegorical ®)

Pre- and Re-, Mis- and Dis-: What Is a Prefix? (Words Are Categorical)

Ful and -Less, -Er and -Ness: What Is a Suffix? (Words Are Categorical)

I'm and Won't, They're and Don't: What's a Contraction? (Words Are Categorical R)

Thumbtacks, Earwax, Lipstick, Dipstick: What Is a Compound Word? (Words are Categorical)

But and For, Yet and Nor: What Is a Conjunction? (Words Are Categorical)

Skin Like Milk, Hair of Silk: What Are Similes and Metaphors? (Words are Categorical)

Breezier, Cheesier, Newest, and Bluest: What Are Comparatives and Superlatives? (Words Are CATegorical)

I and You and Don't Forget Who: What Is a Pronoun? (Words are Categorical)

Dearly, Nearly, Insincerely: What Is An Adverb? (Words are Categorical)

A Mink, a Fink, a Skating Rink: What is a Noun? (Words Are Categorical)