100
sur
what is over
geo
what is earth
alter
what is other
chron
what is time
luna
what is moon
astr
what is star
demo
what is people
stereo
what is solid
tetra
what is four
ism
what is doctorine
dyna
what is power
helio
what is the sun
thermos
what is heat
cogn
what is to know
gyro
what is turn
scope
what is look
dec
what is ten
stell
what is star
meter
what is measure
contra
son
what is sound
hyper
what is over
vita
what is life
amat
what is love
octa
what is eight