Disambiguation

Antinomy is when, of two things, both can’t be right.
Antimony is mostly found in sulfide mineral stibnite.
A big difference indeed, but still not quite antonymy,
Nor yet, like bank and bank, bark and bark, homonymy:
As also when we learn,
That coke is something that you burn,
And coke is something that you drink and something that you snort,
And Edward Coke sollicited before the English court.
Parsimony is, like, when you say no more words than suit,
Persimmony’s the essence of a common Asian fruit.
Possum is Latin for whatever I can do,
Opossum with an o entails things I can’t do too,
Like playing dead, or tonic immobility (synonymy),
Among the other features of this noble beast’s zoonomy.