WordNet records no synonym and no antonym for stocking. It is the only member of each of its synsets, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
close-fitting hosiery to cover the foot and leg; come in matched pairs (usually used in the plural)
Synonyms, antonyms and the broader and narrower relations for stocking come from Princeton University’s WordNet. Full sources and licences.
the activity of supplying a stock of something
“he supervised the stocking of the stream with trout”