Keyword
root
Info
FrequencyTop 500-600
Type
Kyōiku (3rd grade) 
?
KankenLevel 8
Heisig1571
Readings
(57%)
こん
(40%)
(1%)
Composed of
tree
almost good
Used in vocabulary (435 in total)
root (of a plant); root (of a tooth, hair, etc.); center (of a pimple, etc.); root (of all evil, etc.); source; one's true nature
basis; foundation; grounds; authority
Examples (142 in total)
"Where's the cat?" "It's on the roof."
What color is the roof of your house?
What is that building with the green roof?