(light) bulb

divide

depend on

plastic bag

explicit

native

Either is fine.

cashier

tentative

dock

register

afford

preparation

income

original

exceed

occur

retain

achieve

summary

notable

saving

envelope

ratio

out of print

ecology

prospective

findings

promotion

locate

timely

a course of action

timeline

postpone

setting

consecutive

discreetly

scope

preserve

malfunction