analogy

comparison based on similarity

Root

log / logy: word, speech, reasoning, study

Other words with the log / logy root

analogous: similar in a useful or structural way
anthropology: the study of human beings
apologist: a defender of a person, idea, or cause
apology: expression of regret or defense
astrology: belief system mapping celestial positions to human affairs
biology: study of life
dialogue: conversation

Analogy uses likeness and reasoning: one pattern helps explain another.

The teacher used an analogy between roots and subway lines to explain how words connect.

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