Pusil vs Pugil - What's the difference?

In obsolete terms the difference between pusil and pugil

is that pusil is very small; little; petty while pugil is as much as is taken up between the thumb and two first fingers.

is very small; little; petty.

as much as is taken up between the thumb and two first fingers.

(en adjective)

(obsolete) Very small; little; petty.

(Bacon)

(en noun)

(obsolete) As much as is taken up between the thumb and two first fingers.

(Francis Bacon)

* 1778 , William Lewis, The new dispensatory

Cinnamon, an ounce and a half; Rosemary flowers, six pugils