share

nouns

assets belonging to or due to or contributed by an individual person or group
"he wanted his share in cash"
any of the equal portions into which the capital stock of a corporation is divided and ownership of which is evidenced by a stock certificate
"he bought 100 shares of IBM at the market price"
is a part of
the capital raised by a corporation through the issue of shares entitling holders to an ownership interest (equity)
"he owns a controlling share of the company's stock"
is a type of (narrower)
a certificate documenting the shareholder's ownership in the corporation
"the value of his stocks doubled during the past year"
the allotment of some amount by dividing something
"death gets more than its share of attention from theologians"
the part played by a person in bringing about a result
"I am proud of my contribution in advancing the project"; "they all did their share of the work"
a sharp steel wedge that cuts loose the top layer of soil

verbs

have in common
"Our children share a love of music"; "The two countries share a long border"
is derived from
is a type of (narrower)
coincide partially or wholly
"Our vacations overlap"
use jointly or in common
is derived from
is a type of (narrower)
put into service; make work or employ for a particular purpose or for its inherent or natural purpose
"use your head!"; "we only use Spanish at home"; "I can't use this tool"; "Apply a magnetic field here"; "This thinking was applied to many projects"; "How do you utilize this tool?"; "I apply this rule to get good results"; "use the plastic bags to store the food"; "He doesn't know how to use a computer"
have, give, or receive a share of
"We shared the cake"
is derived from
give out as one's portion or share
is derived from
is derived from
communicate
"I'd like to share this idea with you"
is derived from
is a type of (narrower)
transmit thoughts or feelings
"He communicated his anxieties to the psychiatrist"