nub

See this word as a collocate cloud

the issue frequencies are the	nub	of the issue as many
dr shelton that is the	nub	of the louse problem in
rather than intrusive surveillance the	nub	of the issue is how
is that not at the	nub	of this i must confess
member of the public the	nub	of the issue is whether
before i come to the	nub	of what i want to