Great-grandmother

"Great-grandmother" in Finnish

isoisoäiti

(mother of one's grandparent)

isomummi

(mother of one's grandparent)

isomummo

(mother of one's grandparent)

isomummu

(mother of one's grandparent)

isoäidin äiti

(mother of one's grandparent)

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.