Are three words common in the eight characters?

Not common. The meaning of the three words in the eight characters: four-column fortune telling means that your date of birth has exactly three words in the corresponding calendar.

Ancient warlocks' fortune telling focused on birthday gossip, which is now the eight-character calculation. Among them, it is believed that "the first three are more expensive than the sky, the three are not rich, the three Hubei families are defeated, the three parents are separated, the brothers are in one side, the three are in danger, the three gengzi are talented, the Wanli has a grange, the three are in fire nation, the three are wandering around, the three are dying, the troops are separated from their parents, and the brothers are also injured.