保加利亚语词元的变形形式，依其词性分类。
- Category:保加利亚语代词变格形：保加利亚语 pronouns that are inflected to display grammatical relations other than the main form.
- Category:保加利亚语分词变格形：保加利亚语 participles that are inflected to display grammatical relations other than the main form.
- Category:保加利亚语动词变位形式：词形产生变化（即变位）来表示与原形不同的语法关系的保加利亚语动词形式。
- Category:保加利亚语名词变格形：保加利亚语 nouns that are inflected to display grammatical relations other than the main form.
- Category:保加利亚语形容词变格形：保加利亚语 adjectives that are inflected to display grammatical relations other than the main form.
- Category:保加利亚语数词变格形：保加利亚语 numerals that are inflected to display grammatical relations other than the main form.
- Category:保加利亚语限定词变格形：保加利亚语 determiners that are inflected to display grammatical relations other than the main form.