蟹座 (kaniza)
Kaniza is composed of the Crab (kani) and 座 (read za) meaning "constellation". One commonly sees kaniza written in either kanji or hiragana and examples of both are shown below - both are correct and in common use.
Cancer
Block Horizontal
Cancer
Cursive Horizontal
Cancer
Design Horizontal
Cancer
Semi-Cursive Horizontal
Cancer
Block Vertical
Cancer
Cursive Vertical
Cancer
Design Vertical
Cancer
Hiragana Vertical
Cancer
Semi-Cursive Vertical