periodic

To perform; to do; to conduct oneself; to carry out.

extermination of bugs (虫) or parasites (寄生虫)

to exterminate bugs (虫) or parasites (寄生虫)

important, significant

importance, consequence, significance

to raise; to feed (livestock etc.) / to keep, have (a pet)

fixed period / Short for 定期乗車券.

dog; canine / one who is loyal (like a dog) / a spy

a target, a mark, a bullseye / an objective, an object (of doing something)