different between souterly vs outerly

English

souter +? -ly

souterly (comparative more souterly, superlative most souterly)

outer +? -ly

outerly (comparative more outerly, superlative most outerly)

(obsolete) utterly; entirely
(Can we find and add a quotation of Chaucer to this entry?)
(obsolete) Toward the outside.
- 1681, Nehemiah Grew, Musaeum Regalis Societatis, or, A catalogue & description of the natural and artificial rarities belonging to the Royal Society and preserved at Gresham Colledge
  In the lower Jaw, two Tusks, one on each side, like those of a Boar, standing outerly, an inch behind the Cuters

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