N5 — outside your level filter
数+階
Needs a numeral in front of it and takes no だ/です, so there are no forms to conjugate.
階
kaifloor, storeyN5counter
Example sentences2
二階で待ってるね。
nikai de matteru ne.
I'll wait on the second floor. casual
エレベーターで五階まで上がってください。
erebeetaa de gokai made agatte kudasai.
Please go up to the fifth floor by elevator. neutral