matrimony C2+

/ˈmætrɪmoʊni/ the state or ceremony of being married; marriage

maternity C2+

/məˈtɜrnɪti/ the state of being a mother; motherhood

matrix C2+

/ˈmeɪtrɪks/ an environment in which something develops; a rectangular array of numbers

materialist C2+

/məˈtɪriəlɪst/ one who values possessions over ideas, or who holds matter alone is real