Beginnings:
Sand
Water
River
Frog
Night
Sandy
Spotted
Splash
Beech
Shred
Wolf
Seed
Endings:
Willow
Spirit
Shade
Whisker
Rain
Foot
Stream
Stripe
Face
Stem
Feather
Jaw
Spots
ALSO: If you think it is an apprentice, then the first thing you choose will end with 'paw'.
I.E.
Cedarpaw
Willowpaw
Bearpaw
ALSO AGAIN: Want it to be a kitten? Same goes for paw, except now it's 'kit'.
I.E.
Mosskit
Snowkit
Twigkit