出典:Wiktionary
From New Latin heptarchia, from Ancient Greek ἑπτά (heptá, “hepta-: seven”) + -αρχία (-arkhía, “-archy: rule”). Equivalent to hepta- + -archy.
heptarchy (複数形 heptarchies)
sceleritis
trichopathy
peccaries
coypus
heliozoans
膏肓の疾