What's the difference between fother and oakum?

Fother

Definition:

• (n.) A wagonload; a load of any sort.
• (n.) See Fodder, a unit of weight.
• (v. t.) To stop (a leak in a ship at sea) by drawing under its bottom a thrummed sail, so that the pressure of the water may force it into the crack.

Example Sentences:

Oakum

Definition:

• (n.) The material obtained by untwisting and picking into loose fiber old hemp ropes; -- used for calking the seams of ships, stopping leaks, etc.
• (n.) The coarse portion separated from flax or hemp in nackling.

Example Sentences:

• (1) Besides of four pica cases (eating of dirt, paper, cotton, oakum, sand, lime, chalk) the authors report on a girl with trichophagia.