opener

As a conjunction ca

is because.

As a noun opener is

a device that opens something; specifically a tin-opener/can-opener, or a bottle opener.

As nouns the difference between chamberlain and opener

is that chamberlain is an officer in charge of managing the household of a sovereign, especially in the united kingdom and in denmark while opener is a device that opens something; specifically a tin-opener/can-opener, or a bottle opener.

As nouns the difference between intro and opener

is that intro is short form of introduction while opener is a device that opens something; specifically a tin-opener/can-opener, or a bottle opener.

As a verb intro

is (informal|transitive) to introduce.

In cricket terms the difference between opener and opening

is that opener is a batsman who normally plays in the first two positions of an innings while opening is describing the first period of play, usually up to the fall of the first wicket; describing a batsman who opens the innings or a bowler who opens the attack

As nouns the difference between opener and opening

is that opener is a device that opens something; specifically a tin-opener/can-opener, or a bottle opener while opening is an act or instance of making or becoming open.

As a verb opening is

present participle of lang=en.

As an adjective opening is

describing the first period of play, usually up to the fall of the first wicket; describing a batsman who opens the innings or a bowler who opens the attack