Synonyms of 'share'
An allotment of something is a share or amount of it that is given to someone.
His meagre allotment of gas had to be saved for emergencies.
An allowance is money that is given to someone, usually on a regular basis, in order to help them pay for the things that they need.
He lives on an allowance of £70 a week.
Thesaurus for share from the Collins English Thesaurus
A company's shares are the many equal parts into which its ownership is divided. Shares can be bought by people as an investment .