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granduncle vs. great-uncle

granduncle

[grand-uhng-kuhl] / ˈgrændˌʌŋ kəl /

noun

an uncle of one's father or mother; a great-uncle.

great-uncle

[greyt-uhng-kuhl] / ˈgreɪtˌʌŋ kəl /

noun

a granduncle.