Keyword
high
Info
FrequencyTop 100-200
Type
Kyōiku (2nd grade) 
?
KankenLevel 9
Heisig329
Readings
たか
(47%)
こう
(46%)
だか
(5%)
Composed of
lid
mouth
upside-down box
mouth
Mnemonic

That is a really high two-story building. We have the mouth on the bottom being the entrance, the upside-down-box being the first floor, another mouth being the second floor widow, and a lid at the top being its roof.

Used in kanji (11 in total)
draft
straw
ointment
stripe
Used in vocabulary (1213 in total)
high; tall; expensive; high-priced; high (level); above average (in degree, quality, etc.)
best; supreme; wonderful; highest; maximum; most
senior high school; high school
Examples (200 in total)
It's expensive if you buy it the normal way, though.
Really? It's not that expensive.
Indeed, the possibility is high.