redhead
over-night
greenhouse
backbone
The main noun is normally the last one.
a call-back
breakfast
school bus
rose bush
haircut
rainfall
skinhead
goldfish
wet standing
terribly hot
a break-in
software
dry-cleaning
a give-away
train-spotting
love-in
amazingly good
The meaning of the whole compound is often different from the meaning of the two words on their own.
golden yellow
Is formed from two or more words.
bedroom
output
white wash
overthrow
bird cages
feedback
passer-by
a take-over
public speaking
time taken
boyfriend
grammar books
a work-out
red-orange
breakdown
hanger-on
grindstone
turquoise blue
hardware
table lamp
background
motorcycle
under-line