(But don't worry, there was no cheating going on, as they did appear in the official Scrabble dicationary.
The 12 most obscure words on the final board were:-
Aecia: A fruiting body of a rust fungus
Coniines: Alkaloid that makes up the poisonous part of hemlock
Vela: Plural of velum, a glass screen
Zeds: Plural word for the letter Z
Khis: Plural of khi, a letter in the Greek alphabet
Fy: To digest
Enew: (Hawk) Falconry term for driving a bird into the water
Qat: variant spelling of khat, a plant whose leaves are chewed as a stimulant
Litu: Plural of Litas, a former silver coin and monetary unit of Lithuania
Atigi: Parka worn by the Inuits in northern Canada
Bandura: Ukrainian lute
Swarf: A swoon; grit abraded from an axle
Now work out how many points they scored.)