lopho-, loph-, lophio-, lophi-

(Greek: ridge; crest, tuft; by extension, hill top)

lophobranch
lophodont (adjective)
Teeth that have elongated ridges called lophs that run between cusps: "The molars and premolars of tapir (Tapiridae), manatees (Trichechidae), and many rodents have lophodont teeth."
lophophile
Thriving on hill tops.
lophophilia
In biology, dwelling and thriving in hills.
lophophore
lophophyte
A hill-top plant.
lophotrichous
Having two or more flagella at one or both ends; said of a bacterial cell.