Once

Definition:

• (adv.) By limitation to the number one; for one time; not twice nor any number of times more than one.
• (adv.) At some one period of time; -- used indefinitely.
• (adv.) At any one time; -- often nearly equivalent to ever, if ever, or whenever; as, once kindled, it may not be quenched.

Compare once with other words:

once vs. unce

once vs. onde

bonce vs. once

once vs. ounce

once vs. ponce

nonce vs. once

once vs. upon

once vs. practical

manifold vs. once

once vs. pen

fist vs. once

once vs. ones

once vs. onetime

bimestrial vs. once

longitudinally vs. once

ever vs. once

erst vs. once

longitudinal vs. once

once vs. quondam

formerly vs. once

erstwhile vs. once

once vs. sometime

once vs. sometimes

anew vs. once

bimonthly vs. once

after vs. once

once vs. when

once vs. soon

once vs. tomorrow

once vs. yesterday

once vs. seldom

often vs. once

never vs. once

once vs. time

once vs. period

once vs. thrice

once vs. twice

diurnal vs. once

once vs. one