Q: Sentence (1) A drop of each sample was analyzed.
Sentence (2) There is not a drop of pity in that man.. Word: drop.
==--==
A: the same meaning

Q: Sentence (1) It is important to use flux when soldering or oxides on the metal will prevent a good bond.
Sentence (2) His opinions are in flux.. Word: flux.
==--==
A: different meanings

Q: Sentence (1) What do you make of his remarks?
Sentence (2) Make a dress.. Word: make.
==--==
A:
different meanings