Morpheme - the smallest meaningful unit in a language..
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Free Morphemes - stand alone as individual words.
Name Examples Open 1. Lexical Nouns, verbs, adjectives, adverbs ✔️ 2. Functional Prepositions, conjunctions, articles, pronouns ❌ -
Bound Morphemes - cannot stand alone as individual words.
Affixes:
- prefixes
- suffixes
- infixes
- circumfixes
Name Description Example 1. Derivational Create new words, and can change lexical category. pre + determine = predetermine, teach + er = teacher 2. Inflectional Serve a grammatical role. Don't create new words or change the lexical category. Plural -s, possesive -'s, past tense -ed
Source: YouTube: Morphology (part 1)