Eastern Mari terms that indicate people, beings, things, places, phenomena, qualities or ideas.

• Category:Eastern Mari noun forms: Eastern Mari nouns that are inflected to display grammatical relations other than the main form.
• Category:Eastern Mari nouns by inflection type: Eastern Mari nouns organized by the type of inflection they follow.
• Category:Eastern Mari proper nouns: Eastern Mari nouns that indicate individual entities, such as names of persons, places or organizations.
• Category:Eastern Mari singularia tantum: Eastern Mari nouns that are mostly or exclusively used in the singular form.
• Category:Eastern Mari uncountable nouns: Eastern Mari nouns that indicate qualities, ideas, unbounded mass or other abstract concepts that cannot be quantified directly by numerals.
• Category:Eastern Mari verbal nouns: Eastern Mari nouns morphologically related to a verb and similar to it in meaning.