Compound 1
wheel
chair
wheelchair
tooth
brush
toothbrush
box
mailbox
birth
day
place
mark
birthday
note
book
notebook
search
engine
search engine
water
fall
waterfall
team
work
teamwork
house
hold
household
time
frame
time frame
mind
set
mindset
stake
holder
stakeholder
feild
work
fieldwork
game
changer
game-changer
trend
setter
trendsetter
case
study
case study
green
house
greenhouse
soft
ware
software
critical
thinking
critical thinking
data
base
database
problem
solving
problem-solving
gate
keeper
gatekeeper
climate
change
climate change
out
come
outcome
draw
back
drawback