rank
file
chessboard
checkerboard
quincunx
quadrantally
septet
squared
light
broken diagonal
tesseract
checker
chequerwise
oblong number
hexadecapolar
Hindu-Arabic numeral
shogi
Hindu numeral
Arabic numeral
dodecameter
octachoron
domino
rook
arrowword
sextate
castle
15 puzzle
draughtsboard
cube
regular hexahedron
triangular hebesphenorotunda
rook polynomial
die
crossword puzzle
dice
bus stop
pentacube
crossword
nonomino
compony
Rubik's Revenge
nurikabe
octomino
word square
acrostic
Cartesian grid
Galileo's paradox
cuboid
Megaminx
rectahedron
clapboard
great cubicuboctahedron
mucube
square block
Professor's Cube
pyramidal number
graticule
diagramless
hyperchess
hexomino
lemniscate
azimuth
root mean square
Pocket Cube
bimagic square
left bracket
polygonal chain
Petrov Defence
pentadodecahedron
zenzic
eleventeenth
Thistlethwaite's algorithm
subcube
sphenocorona
T-square
facelet
decahedron
double-six
kingside
grid-lined
heptad
cubiform
broth cube
puzzle cube
stock cube
subtriplicate
eighth
generator
check
Blind Swine Mate
4-cube
gridsquare
banding
Caro-Kann Defence
multiplication table
quadrantal