The difference between Grandparent and Maternal grandfather
When used as nouns, grandparent means the parent of someone's parent, whereas maternal grandfather means the father of one's mother.
check bellow for the other definitions of Grandparent and Maternal grandfather
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Grandparent as a noun:
the parent of someone's parent
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Grandparent as a verb:
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Maternal grandfather as a noun:
The father of one's mother.