Little Joe
biquadrate
four
four-part diaphony
foursome
oblong
quad
quadrangle
quadrature
quadrennium
quadrilateral
quadrille
quadrinomial
quadruplet
quartet
quatern
quaternary
quaternion
quaternity
quatrefoil
rectangular
square
square dance
squaring
tetrad
tetragon
tetragram
tetragrammaton
tetrahedron
tetralogy
tetraphony
tetrapody
parallelogram
box
foursquare
rectification
rectify
rectilinear
arc
blob
blur
cone
crescent
cube
cylinder
disc
dome
envelope
expanse
oval
pyramid
sheen
shimmer
slab
sliver
speck
sphere
streamer
strip
stripe
triangle