Noun, Suru verb, No-adjective
1. inflection of words (e.g. declension of nouns and conjugation of verbs)linguistics terminology
Wikipedia definition
2. InflectionIn grammar, inflection or inflexion is the modification of a word to express different grammatical categories such as tense, grammatical mood, grammatical voice, aspect, person, number, gender and case. Conjugation is the inflection of verbs; declension is the inflection of nouns, adjectives and pronouns. An inflection expresses one or more grammatical categories with an explicitly stated prefix, suffix, or infix, or another internal modification such as a vowel change.
Read “Inflection” on English Wikipedia
Read “語形変化” on Japanese Wikipedia
Read “Inflection” on DBpedia


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