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

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

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

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

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

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

How Much Can a Bare Bear Bear?: What Are Homonyms and Homophones? (Words Are Categorical)

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

Pitch and Throw, Grasp and Know (Words Are CATegorical)

Stop and Go, Yes and No: What Is an Antonym? (Words Are CATegorical)

Feet and Puppies, Thieves and Guppies: What Are Irregular Plurals? (Words Are Categorical) (Words Are Categorical (Paperback))