4-Letter Words Containing: OI

• the shape or manner in which things come together and a connection is made

• a set containing all and only the members of two or more given sets

• become part of; become a member of a group or organization

• cause to become joined or linked

• come into the company of

• make contact or come together

• be or become joined or united or linked

• the arrangement of the hair (especially a woman's hair)

• a skullcap worn by nuns under a veil or by soldiers under a hood of mail or formerly by British sergeants-at-law

• cover with a coif

• arrange attractively

• the state of nonexistence

• an empty area or space

• lacking any legal or binding force

• containing nothing

• declare invalid

• clear (a room, house, place) of occupants or empty or clear (a place or receptacle) of something

• take away the legal force of or render ineffective

• excrete or discharge from the body

• the short low gruff noise of the kind made by hogs

• utter a high-pitched cry, characteristic of pigs

• a piece of thin and flexible sheet metal

• anything that serves by contrast to call attention to another thing's good qualities

• a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through

• picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector

• a light slender flexible sword tipped by a button

• enhance by contrast

• hinder or prevent (the efforts, plans, or desires) of

• cover or back with foil

• containing an unusual amount of grease or oil

• unpleasantly and excessively suave or ingratiating in manner or speech

• coated or covered with oil

• smeared or soiled with grease or oil

• a flat metal piece (usually a disc) used as money

• make up

• form by stamping, punching, or printing