ar·cane 
(är-kān)
(är-kān)adj.
Known or understood by only a few: arcane economic theories. See Synonyms at mysterious.
[Latin arcānus, secret, from arca, chest.]
- parallel cousin
- parallelepiped
- parallelism
- parallelogram
- parallel processing
- parallel universe
- paralog
- paralogism
- paralogist
- paralogistic
- paralogous
- paralogue
- Paralympian
- Paralympic Games
- paralyse
- paralysis
- paralysis agitans
- paralytic
- paralytically
- paralyzation
- paralyze
- paralyzer
- paralyzingly
- paramagnet
- paramagnetic