Greek roots
chron-
time
graph-
write
under-
what is below
ette-
little-small
36x24=
864
astr-
star
photo-
light
a-
what is not-without
phobia-
fear of
91x2=
182
bio-
life
phon-
sound
post-
what is after
less-
free from-without
621-354=
267
geo-
earth and soil
mis-
bad or wrongly
semi-
what-half
er-
person who
6265-5215=
1050
hydro-
water
re-
what is again
able-
can do
ology-
study of
655352-327026=
328326