Friggatriskaidekaphobia

   
is fear of the number 13.

While triskaidekaphobia is fear of the number 13, paraskevidekatriaphobia or friggatriskaidekaphobia is fear specifically of Friday the 13th.

Tergiversation

   
Tergiversation is the act of turning one's back; abandoning something or someone; betrayal; the act of turning from a clear course of action; equivocation; fickleness.

Gullish

   
Gullish is another out-dated term. It meant foolish, credulous, or simple-minded.

Fain

   
Fain is an old-fashioned term meaning gladly or in a willing manner.

"I would fain do it".

Succedaneum

   
A succedaneum was something that could be used as a substitute (especially any medicine that may be taken in place of another).

Kerseymere

   
Kerseymere was a fine woollen twill cloth (usually used for a greatcoat).

Frouzy

   
Frouzy is an old alternative spelling of frowsy - negligent of neatness especially in dress and person; habitually dirty and unkempt.

"As usual, the frouzy old woman was sat beside the fire, smoking away on her little black pipe."

Contumacious

   
Contumacious means wilfully obstinate; stubbornly disobedient;argumentative.

Just about every teenager I've known has had their spells of being contumacious!

Ebullition

   
An ebullition is an effusion: an unrestrained expression of emotion; a sudden emotional outburst. It also means the act of boiling.

Parure

   
A parure is a matched set or suite of three or more pieces of jewelry such as necklace, bracelet and earrings. "She entered the room wearing a fine parure of diamonds that outshone all else there."