say it: silk
silk is a noun meaning "a fabric made from the fine threads produced by certain insect larvae". It carries 2 recorded senses.
animal fibers produced by silkworms and other larvae that spin cocoons and by most spiders
Forms marked are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for silk come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.