A is for (whoever gets Z starts the next theme)

[twyngwyn]

Grows on a tree

A is for Almond

[nicnacs_4u]

B is for break toast

[mytreechange]

C is for Cauliflower (in a cooking competition on TV)

[countessalmirena]

D is for dark glasses at night 

[nicnacs_4u]

E is for eggs (hard or soft)

[countessalmirena]

F is for a double fault when serving 

[mytreechange]

G is for Going through a door (in or out)

[countessalmirena]

H is for hocket (two voices alternating to sing the melody - mediæval)

[mytreechange]

I is for Icecream (double scoop)

[countessalmirena]

J is for Janus, the god with two faces

[mytreechange]

K is for Kayak (as in, it reads the same forwards or backwards)