Translation guide
The most common Japanese word for cockroach is ゴキブリ. There are also a few other terms, but they are less common or more specific.
Refer to the common household pest.
The standard, everyday word for cockroach. Used in both spoken and written Japanese.
I found a cockroach in the kitchen.
Literally 'oil bug', an old or dialectal term for cockroach. Rarely used in modern standard Japanese; may be misunderstood as aphid.
I hate cockroaches.
In most contexts, アブラムシ means 'aphid', not cockroach. Avoid using this unless you are sure of the regional usage.
In some regions, cockroaches are called aburamushi.