Oct is the prefix for eight. Bi is the prefix for two.
0 1 2 3 4 5 6 7 8 9nil un bi tri quad pent hex sept oct enn
Hex- means six and oct= means eight.
Di-, Bi-
Two prefixes that mean "cut" or "cut out" are "dis-" and "ab-".
Kilo and Mega. Also Unio and bi and motor.
These prefixes are:meth, eth, prop, but, pent, hex, hept, oct, non, dec.
Prefixes meaning 4 are quad (Latin) and tetra (Greek).
of suffix
anti pre non un in bi re post
Prefixes occur as the first part of a word, such as the prefix "bi" meaning two as in bicycle and bicarbonate or the prefix "sub" meaning under as in submarine or submit.
Some common prefixes include: un-, dis-, mis-, re-, pre-, post-, in-, non-, anti-, bi-, tri-, sub-, super-, mega-, mini-.
Some prefixes that refer to amount or number include: mono-, bi-/di-, tri-, quadri-/tetra-, penta-, hexa-, hepta-.