insurgency: an organized rebellion aimed at overthrowing a constituted government through the use of subversion and armed conflict
rebellion: organized opposition to authority; a conflict in which one faction tries to wrest control from another
secretory phase: the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins