to float / to be loose; to unfasten / (of a person) to be excited / to have left-over money

rust / patina

(archaic) iron / (figuratively) something extremely strong

rust

a gate / (religion) a sect, school of thought / (biology) a phylum, division / Short for 門限 (mongen): a curfew

iron

iron, the metal and the metallic chemical element / (more generally) steel / short for 鉄砲 (teppō, literally “cannon”, but in this case, refers to the poisonous fugu blowfish or dishes made from it)

counter for cannons or large guns

doorway, exit and entrance / teaching institution / clan, family, kin / set of academic doctrines / Used in Sanskrit transliterations

a gate, portal / an entrance, gateway, opening / a clan, family, kin