It rhymes with beast. it begins like fox

Does the part "it begins like fox" mean it has the same first letter? If so then the answer is "feast"

As the boys sleep, military airplanes battle fiercely above the island. none of the boys sees the explosions and flashes in the clouds because the twins sam and eric, who were supposed to watch the signal fire, have fallen asleep. during the battle, a parachutist drifts down from the sky onto the island, dead.