original, primitive, primary, fundamental, raw

original form, base form

original work

atom

original document

principle, general rule

origin (coordinates), starting point

original (text)

atomic bomb

the text, original

crude oil

tableland, plateau

open field, empty lot, plain

manuscript, copy

place of origin, habitat

origin, primeval

principle, theory, fundamental truth

raw materials

field, plain, prairie, tundra, moor, wilderness

cause, source