declension

Noun

• a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms
  • the first declension in Latin
    

• a downward slope or bend

• process of changing to an inferior state

• the inflection of nouns and pronouns and adjectives in Indo-European languages

Related words

• Synonyms: 
  descent , declivity , fall , decline , declination , downslope , deterioration , decline in quality , worsening
• Antonyms: 
  ascent , acclivity , rise , raise , climb , upgrade