three times; thrice; many times; over and over again; repeatedly
again; once more; a second time
often; again and again; over and over again; repeatedly; frequently
once; one time; on one occasion
this occasion; at this time; now
each time; every time; whenever (something happens); on the occasion of
(how) many times; (how) often
frequency; number of times; incidence
hundred times; many times
midway (through); halfway