There are 23 7-letter words that start with 'bil'.
| bilayer | bilbies | bilboas | bilboes | 
| bilevel | bilgier | bilging | biliary | 
| bilious | bilkers | bilking | billbug | 
| billers | billets | billies | billing | 
| billion | billons | billows | billowy | 
| bilobed | bilsted | biltong | |
Note: These 23 7-letter words that start with 'bil' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with bill, bili, bila, bilb, bilg, bilo, bile, bilk, bilh, bild, bils, bilt.
4-letter words start with 'bil' (3)