plural of monthly bill

(informal) Approximately once a month.

Occurring three times every month. / Published three times per month.

(in combinations) A period of a certain number of months.

plural of monthful

Alternative spelling of semimonthly

Alternative spelling of monthiversary

Every month.

A publication that is published once a month. / (euphemistic) The menstrual period.

which lasts a month, or approximately so