2 jōyō kanji take the reading しる. Compare how their meanings differ.
しる。
know, wisdom
8 strokes
(液体) しる。 つゆ。ジュース。
soup, juice, broth, sap
5 strokes
infoOnly readings listed in the jōyō kanji table are included. Adding readings outside the table would bury the distinctions that matter in everyday writing.