a group of eight; eight musicians

isolation; seclusion; the state of being alone

solitude isolation; seclusion; the state of being alone

an athletic contest consisting of five different events

pentathlon an athletic contest consisting of five different events

a group or series of eight; in music, a tone eight degrees higher or lower than another tone

octave a group or series of eight; in music, a tone eight degrees higher or lower than another tone

a card game played by one person

solitaire a card game played by one person

a polygon with five sides and five angles

pentagon a polygon with five sides and five angles

a mollusk with eight tentacles

octopus a mollusk with eight tentacles

a shape with eight sides and eight angles

octagon a shape with eight sides and eight angles