Keyword
floor (of a building)
Info
FrequencyTop 400-500
Type
Kyōiku (3rd grade) 
?
KankenLevel 8
Heisig1406
Readings
かい
(96%)
がい
(3%)
Composed of
small village
all
Used in vocabulary (209 in total)
stairs; stairway; staircase
stage; step; level; rank; order; stairs
storey; story; stairs; stage (in chronostratigraphy); counter for storeys and floors of a building
Examples (200 in total)
What appeared in the darkness was a staircase.
There must surely be stairs here too.
There was a staircase there that seemed to lead down to the basement.