Root
star
ast(er)
biblio
book
synthetic
syn
astronomy
ast(er)
syn
together, with
time
chron(o)
gno
to know
tropical
tropos
ignore
gno
turning
tropos
water
hydr
kinesis
movement
philosophy
phil
chronicle
chron(o)
phonograph
phon
thought
log
path
feel
bibliography
biblio
dehydrate
hydr
empathy
path
love
phil
phon
sound
logic
log
photokinesis
kinesis
name three roots
will vary