What is the crossword answer for the clue: Plug away

PLOD - a 4 letter word may be the answer you are looking for!

SLOG - a 4 letter word may be the answer you are looking for!

TOIL - a 4 letter word may be the answer you are looking for!

LABOR - a 5 letter word may be the answer you are looking for!

SLAVE - a 5 letter word may be the answer you are looking for!

Plug away

4 Character Answers:

PLOD

SLOG

TOIL

5 Character Answers:

LABOR

SLAVE