Analyzing word
/ˈɔːltəneɪt/
To occur in turn repeatedly; to switch back and forth between states or actions.
“The weather seemed to alternate between rain and sunshine all day.”
Every other; happening or following one after another in a regular pattern.
“The book club meets on alternate Tuesdays.”
A person who acts as a replacement or substitute for another.
“If the lead actor gets sick, the alternate will take his place.”