Numismatics: coin collecting or paper money collecting

OnusA duty or responsibility..(mostly in a legal sense)

PogonotrophyThe act of growing and grooming facial hair(mustache, beard,sideburns etc)

Quiescence: dormancy or inactivity

"this method has been shown to induce sleep-like quiescence in adult animals"

rebus: representation of words in the form of pictures or symbols; puzzle in which pictures or letters stand for words; Ex. R U 18 is a rebus for Are you 18 

Sextant - a doubly reflecting navigation instrument that measures the angular distance between two visible objects

tachyphylaxis
noun

  1. Medicine/Medical. immediate, temporary immunization against the effects of injection of a toxic extract owing to previous small injections of the same extract.
  2. a decreased response to a medicine given over a period of time so that larger doses are required to produce the same response.

urbane suave; refined in manner; elegant

Vilify - speak or write about in an abusively disparaging manner.

"he has been vilified in the press"

Wan: (of a person's complexion or appearance) pale and giving the impression of illness or exhaustion

Yare - (of a ship) responding promptly to the helm; easily manageable


Zealous -  filled with or showing a strong and energetic desire to get something done or see something succeed; marked by passionate support for a person, cause, or ideal

Addle - ad·dle
/ˈadl/  make unable to think clearly; confuse.

Bronchitis - inflammation of the lining of your bronchial tubes, which carry air to and from your lungs. 

CACOLOGY

Cacology literally means “evil-speaking,” and is used to refer to a poor choice of words or noticeably bad language.  

Dram -  is a unit of mass in the avoirdupois system, and both a unit of mass and a unit of volume in the apothecaries' system