declension
declension - noun
the inflection of nouns and pronouns and adjectives in Indo-European languages
process of changing to an inferior state
a downward slope or bend
a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms
declension - thesaurus
declination
decline
declivity
descent
deterioration
downslope
fall
worsening