This is the 2375th most frequent Japanese word.
ゴキブリ
Cockroach.
ゴキブリ is used as a noun referring to the insect 'cockroach.'
台所でゴキブリを見てびっくりしました。
I was shocked to see a cockroach in the kitchen.
ゴキブリ is again used as a noun indicating the species 'cockroaches.'
都会ではゴキブリが住む環境が整っていると言われます。
It is said that the environment in cities is suitable for cockroaches to thrive.
ゴキブリ is included as part of a compound noun 'ゴキブリ退治,' referring to the act of exterminating cockroaches.