abstract
assemble
background
build
business
challenge
concept
conceptual
connect
connection
cooperation
creative
creativity
difficulty
element
fit
form
game
group
idea
integration
isolated
jigsaw
join
leisure
match
metaphor
missing
part
patience
pattern
piece
problem
puzzle
shape
skill
solution
solve
strategy
struggle
success
support
team
teamwork
think
toy
white
wood
wooden
work