Words with Letters: f o s s i l s fossils 10fossil 9filos 8floss 8foils 8silos 5soils 5filo 7fils 7foil 7foss 7loss 4 oils 4silo 4soil 4soli 4sols 4fil 6ifs 6lis 3oil 3sis 3sol 3sos 3if 5is 2li 2lo 2of 5oi 2os 2si 2so 2