(1 x 101) + (1 x 100)
"elf" is the German equivalent of "eleven".
Well, there's "eleven" the number (11), or you could be meaning "elven" as in "to do with elves."
counterfeit
An eleven sided polygon is called a hendecagon, or an undecagon. The name is Greek, hendeka meaning eleven and gon meaning corner.
Stylishness.
temperature
Convenience.
The Latin word for XI is undecim meaning eleven.
Rapscallion is a word meaning urchin.
"Aon-deug" meaning "One-ten"
The 11th in a set or sequence. Or amounting to eleven in numbers.
In the Dholuo language of African origin, "apar gachiel" has the meaning of "Eleven."