"Teacher-student" is a _____ compound.
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A lexeme can be understood as a family of words that differ only in their grammatical ____.
Nouns, verbs and adjectives are____words rather than function words.
As a result of ____, the negative morpheme in imperfect and impossible is “im-” rather than “in-”.
The morphological process of ____does not give rise to a new lexeme, but only yields different word forms of the same lexeme.