abstract
brother
brotherhood
chain
child
children
civilisation
clone
clones
company
dance
dancing
develop
different
earth
genetic
group
hand
hands
head
heart
human
humanity
identical
leg
lonely
love
man
many
men
nation
paper
population
race
representation
ritual
several
shade
similar
solidarity
symbol
symetrical
symetry
team
together
woman
women
work
working