Q: Sentence (1) Politicians have to respect a mass movement.
Sentence (2) Movement is a sign of life.. Word: movement.
==--==
A: different meanings

Q: Sentence (1) Gold field.
Sentence (2) He longed for the fields of his youth.. Word: field.
==--==
A: the same meaning

Q: Sentence (1) He is the best one.
Sentence (2) Driver, noun: one who drives.. Word: one.
==--==
A:
the same meaning