All the distinct words that Dickens used 
2	age
2	all
1	authorities
2	before
1	being
1	belief
1	best
1	comparison
1	darkness
1	degree
1	despair
2	direct
2	epoch
1	everything
1	evil
1	far
1	foolishness
2	for
2	going
1	good
2	had
1	heaven
1	hope
2	in
1	incredulity
1	insisted
10	it
2	its
1	light
1	like
1	noisiest
1	nothing
12	of
1	on
1	only
1	or
1	other
2	period
1	present
1	received
2	season
1	short
1	so
1	some
1	spring
1	superlative
1	that
14	the
2	times
1	to
2	us
11	was
1	way
4	we
2	were
1	winter
1	wisdom
1	worst


All the words that Dickens used but Hardy did not use. 
2	age
2	all
1	authorities
2	before
1	belief
1	best
1	comparison
1	darkness
1	degree
1	despair
2	direct
2	epoch
1	everything
1	evil
1	far
1	foolishness
2	for
2	going
1	good
2	had
1	heaven
1	hope
1	incredulity
1	insisted
1	light
1	like
1	noisiest
1	nothing
1	on
1	only
1	other
2	period
1	present
1	received
2	season
1	short
1	so
1	some
1	spring
1	superlative
1	that
2	times
2	us
11	was
1	way
4	we
2	were
1	winter
1	wisdom
1	worst