Answer: mainly

AnswerCrossword Clue
MAINLYChiefly.
mainlyfor the most part
mainlychiefly; principally; for the most part; in the main; to the greatest extent
MAINLYIn good part
MAINLYPrincipally
MAINLY"... falls ... on the plain"
MAINLY"...falls ..... on the plain"
MAINLYFor the most part.
MAINLYPrincipally.
MAINLYFor the most part
MAINLYIn large part
MAINLYBasically
MAINLYAs a rule
MAINLYHow the rain in Spain falls on the plain
MAINLYPrimarily
MAINLYIn essence
MAINLYBy and large