Synonyms for Estrogen:

n.

hormone, insulin, hydrocortisone, glycogen, melatonin, endorphin, adrenalin, growth hormone. estrogen (noun)
oestrogen.
substance (noun)
oestrogen.

Other synonyms:

hormone, insulin, hydrocortisone, glycogen, melatonin, endorphin, adrenalin, growth hormone. Other relevant words:
endorphin, melatonin, hormone.