13-Letter Words Containing: B,O,O,T,H,S

• A gastropod with gills behind the heart, formerly thought to belong to a single group.

• (of gills) Placed behind the heart.

• (of a gastropod) Having gills placed behind the heart.

• dislike for new technology

• an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot

• masculinity in women (especially in girls and young women)

• a well-bred person

• a racehorse belonging to a breed that originated from a cross between Arabian stallions and English mares

• a pedigreed animal of unmixed lineage; used especially of horses

• having a list of ancestors as proof of being a purebred animal

• of or relating to the trophoblast

• small brush; has long handle; used to clean teeth

• slang for a mustache

• a person suffering from claustrophobia

• someone who practices phlebotomy

• an ancient writing system: having alternate lines written in opposite directions; literally `as the ox ploughs'