-Inflection: Ending denoting grammatical function
-Declension: Noun inflections
-Generalization: Broadening in meaning
-Specialization: Narrowing in meaning
-Conjugation: Verb inflections
-Etymology: Word derivation
-Pejoration: Gaining a negative connotation
-Amelioration: Gaining a positive connotation
-Affix: Morpheme added to a base
-Syntax: Relations of sentence parts
Hope this helps! :D
