If we don’t know the meaning of of a word, we can often make a guess from their prefixes.
prefix / meaning / example
inter- / between / interaction
joined together/ interlocked
counter- / in opposition to / counterbalance
as a reaction to / counter-attack
super- / more than usual / superman
extremely / super-rich
over- / too much / overworked
from above / overhead
semi- / partly / semi-famous
half / semicircle
under- / not enough / underpaid
below / underfoot
pseudo- / not real / pseudo-friendship