Keyword
deep red
Info
FrequencyTop 1500-1600
Type
Jōyō 
?
KankenLevel 4
Heisig235
Readings
しゅ
(65%)
(18%)
あけ
(9%)
あか
(5%)
Composed of
cow head
tree
Mnemonic

Someone forced a cow's head into that tree, and it dyed its bark deep red from all of the blood...

Used in kanji (7 in total)
especially
pearl
???
stocks
Used in vocabulary (59 in total)
cinnabar; vermillion; red pigment (and ink made from same); red text (as used to correct documents)
vermilion; scarlet
to welter in blood; to be covered in blood