"bi" as in "bicycle" or "billingual" and "di" as in "dilemma" means the number...
two
"aud" as in "audible" or "audio" means....
to hear
"audible" = able to be heard
"bio" as in "biology" means...
life
"geo" as in "geography" or "geologist" AND "terra" as in "terrarium" mean...
earth; land
"auto" as in "autobiography" or "autograph" means...
self
"tri" as in "triple" and "tricycle" means the number...
three
"vis" as in "visual" or "visible" AND "spect" as in "spectacles" or "spectator" mean...
to see
"visible" = able to be seen
"spectator" = a person who spectates (watches/sees)
"astro" as in "astrology" means...
stars
"logy" as in "biology", "sociology", "geology", "psychology" means...
the science of
"bene" as in "beneficial" and "benefit" means
good; well
"uni" as in "universe" and "mon"/"mono" as in "monotheism", "monopolize" or "monarchy" means the number...
one; single
"manu" as in "manual" means
by hand
"cred" as in "credible" or "credit" means...
believe
"scrib", "script", and "graph" all mean...
Ex: scribble, transcribe, autograph
write
"chron" as in "chronological" means...
time
"quad" as in "quadrant" ...or the motorized biked known as a "quad" means the number...
four
"port" as in "portable" means...
carry
"fin" as in "finished" or "final" means...
end
"aqu" as in "aquatics" and "hydr" as in "hydrate" mean...
water
"luc" as in "translucent" means...
another form of this root is "lumin" as in "illuminate"...
light
"dec" as in "decade" means the number...
ten
"decade" = a period of 10 years
"leg" as in "legislative" or "legal" means...
law
"struct" as in "construction" or "construct" means...
build
"tract" as in "tractor" or "traction" means...
drag; pull
"omni" as in "omnivore" and "omniscient" means
all
Ex: omnivore = animals that eat all food (both plants and other animals)
omniscient = all-knowing; an omniscient 3rd person narrator knows everything, even what characters do not know