suffixal

/ˈsʌfɪksəl/
adjective
  1. Relating to or functioning as a suffix (a letter or group of letters added to the end of a word to change its meaning).
    • Many languages use suffixal morphemes to indicate grammatical relationships.
    • In English, the suffixal ending '-ed' turns a verb into its past tense.
    • The teacher explained the suffixal patterns that form adjectives from nouns.
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