| Term | Definition |
| takes the morpheme -s, takes the possessive -'s, takes morphemes such as ity, ness, hood, action, ion, -ance, -er | noun morphological properties |
| preceded by a determiner, preceded by an adjective, followed by a preposition | noun syntactic properties |
| takes the past tense -ed, third person singular agreement, takes progressive morpheme -ing | verb morphological properties |
| preceded by auxiliaries, model verbs, , negation words (not, never), adverbs, followed by a noun | verb syntactic properties |
| takes morphemes such as -ous, -y, -ish, -ly, forms comparative and superlative with -er, -est, most | adjective morphological properties |
| preceded by adverbs, occurs after articles, before nouns, modifies nouns, cannot follow prepositions, can follow verbs | adjective syntactic properties |
| often followed by the morpheme -ly, also exceptions | adverb morphological properties |
| modifies a verb, adjective, or other adverb | adverb syntactic properties |
| invariable, doesn't take affixes | preposition morphological properties |
| precedes a noun phrase, precedes adverbs and adjectives when they precede a noun, precedes other prepositions | prepostion syntactic properties |