Zazzy : flashy, stylish, and exciting, often implying a sense of boldness and fun

axle - noun: axle; plural noun: axles; a rod or spindle (either fixed or rotating) passing through the center of a wheel or group of wheels

Bruxism : unconsciously grinding one's teeth

Dulcet - Soft and pleasant to listen to.

Ex- You might hear about someone's "dulcet tones" (their pleasant voice) or the "dulcet harmonies" of music.

Ensanguine - To stain or cover with blood.

Gastroenterology : study of stomach; intestines

he·pat·ic     /həˈpadik/

adjective

Ichthyoacanthotoxism - poisoning from a sting or bite of a venomous fish

Jongleur: a wandering minstrel, poet, or entertainer in medieval England and France.  

Kawaii - the quality of being cute, or items that are cute ♥  

limnology: study of bodies of fresh water

Mea Culpa  - formal acknowledgment of personal fault or error