H4E1T1E1R1O1T1H4A1L1L1I1S1M3S1
23 points
HETEROTHALLISMS is validvalid
HETEROTHALLISM, [n]
HETEROTHALLISM, the state of being heterothallic, also HETEROTHALLY [n]
HETEROTHALLISM, [n]
HETEROTHALLISM, the state of being heterothallic, also HETEROTHALLY [n]