CREATE TABLE table_31998 ("Stem Meaning" TEXT, "2nd person sg" TEXT, "2nd person sg honorific" TEXT, "3rd person sg" TEXT, "3rd person sg honorific" TEXT)

Tell me the Stem Meaning of ical
SELECT "Stem Meaning" FROM table_31998 WHERE "3rd person sg" = 'ical'
SELECT "Stem Meaning" FROM "table_31998" WHERE "3rd person sg" = 'ical'