Estonian lemmas, categorized by their part of speech.

• Category:Estonian adjectives: Estonian terms that give attributes to nouns, extending their definitions.
• Category:Estonian adverbs: Estonian terms that modify clauses, sentences and phrases directly.
• Category:Estonian conjunctions: Estonian terms that connect words, phrases or clauses together.
• Category:Estonian determiners: Estonian terms that narrow down, within the conversational context, the referent of the following noun.
• Category:Estonian interjections: Estonian terms that express emotions, sounds, etc. as exclamations.
• Category:Estonian morphemes: Estonian word-elements used to form full words.
• Category:Estonian multiword terms: Estonian lemmas that are a combination of multiple words, including idiomatic combinations.
• Category:Estonian nouns: Estonian terms that indicate people, beings, things, places, phenomena, qualities or ideas.
• Category:Estonian numerals: Estonian terms that quantify nouns.
• Category:Estonian particles: Estonian terms that do not belong to any of the inflected grammatical word classes, often lacking their own grammatical functions and forming other parts of speech or expressing the relationship between clauses.
• Category:Estonian phrases: Estonian groups of words elaborated to express ideas, not necessarily phrases in the grammatical sense.
• Category:Estonian postpositions: Estonian adpositions that are placed after their objects.
• Category:Estonian prepositions: Estonian adpositions that are placed before their objects.
• Category:Estonian pronouns: Estonian terms that refer to and substitute nouns.
• Category:Estonian verbs: Estonian terms that indicate actions, occurrences or states.