CREATE TABLE table_554 ("Basic stem  ( root ) " TEXT, "Present stem" TEXT, "Non-present stem" TEXT, "Participle" TEXT, "Verbal noun" TEXT, "Short stem" TEXT, "Meaning" TEXT)

What's the number of verbal nouns with the basic stem (root) -bil-?
SELECT COUNT("Verbal noun") FROM table_554 WHERE "Basic stem (root)" = '-bil-'
SELECT COUNT("Verbal noun") FROM "table_554" WHERE "Basic stem (root)" = '-bil-'