And the priest
kohen (ko-hane')
literally, one officiating, a priest; also (by courtesy) an acting priest (although a layman) -- chief ruler, own, priest, prince, principal officer.
shall write
kathab (kaw-thab')
to grave, by implication, to write (describe, inscribe, prescribe, subscribe) -- describe, record, prescribe, subscribe, write(-ing, -ten).
these curses
'alah (aw-law')
an imprecation -- curse, cursing, execration, oath, swearing.
in a book
cepher (say'-fer)
writing (the art or a document); by implication, a book -- bill, book, evidence, learn(-ed) (-ing), letter, register, scroll.
and he shall blot
machah (maw-khaw')
to stroke or rub; by implication, to erase; also to smooth (as if with oil), i.e. grease or make fat; also to touch, i.e. reach to
them out with the bitter
mar (mar)
bitter; also (as noun) bitterness, or (adverbially) bitterly -- + angry, bitter(-ly, -ness), chafed, discontented, great, heavy.
water
mayim (mah'-yim)
water; figuratively, juice; by euphemism, urine, semen -- + piss, wasting, water(-ing, (-course, -flood, -spring).