Nouns

(n)buggeneral term for any insect or similar creeping or crawling invertebrate
(n)bug, glitcha fault or defect in a computer program, system, or machine
(n)buga small hidden microphone; for listening secretly
(n)hemipterous insect, bug, hemipteran, hemipteroninsects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis
(n)microbe, bug, germa minute life form (especially a disease-causing bacterium); the term is not in technical use

Verbs

(v)tease, badger, pester, bug, beleaguerannoy persistently“The children teased the boy because of his stammer”
(v)wiretap, tap, intercept, bugtap a telephone or telegraph wire to get information“The FBI was tapping the phone line of the suspected spy”, “Is this hotel room bugged?”