An example would be, in the word pro-democracy, pro is a prefix.
hydrate
sophmore
The prefix chem- means pertaining to chemistry. Two examples are chemical and chemoreceptive.
postpone postdate
Capitol
No
Post is a prefix meaning after, examples: postpone, postdate, etc.
hydrate
Bilateral, bibasilar, bigeminy, and bifurcation are examples of medical terms using the prefix bi-.
Ambulance
sophmore
Some examples of words with the prefix "bi" are bicycle, bilingual, and bisexual. This prefix often indicates two or twice in words.
complete competition competitor
The prefix for school is "pre-." Examples include preschool, prekindergarten, and precollege programs.
disallowdisarmdisavowdisbardisbelievedischargedisclaimerdiscomfortdiscorddiscountdiscouragediscreditdisengagedisfiguredisinfectdissensiondisingenuousdisgracedisgruntledishearteneddisjointeddislikedislodgedislikedismantledismaydismountdisorganizeddisplacedispleaseddisprovedisrobedistendeddistrust
The prefix chem- means pertaining to chemistry. Two examples are chemical and chemoreceptive.
postpone postdate