ばか

馬鹿 is the common modern word for a fool or foolish person, while 烏滸 is an obsolete term with the same sense.

タコ used as an insult is a milder, more teasing way to call someone foolish, while 馬鹿 is the more direct, general word for 'idiot'.

馬鹿 is the common modern word for 'idiot,' while 温 is an archaic, now-obsolete synonym rarely seen outside old texts.

パー is a mild, casual way to call someone dim or scatterbrained, while バカ is a stronger, more general word for 'fool' or 'idiot'.

バカ is a general, everyday word for 'idiot,' whereas ＤＱＮ is internet slang carrying a sharper edge of social ineptitude or thuggishness.

馬鹿 is the common, casual word for 'fool' or 'foolishness' in everyday speech, while 愚 is a formal term mainly found in written Japanese and set expressions.

ばか as a prefix (ばかうまい) intensifies like ど but leans toward 'incredibly' rather than ど's rougher, sometimes insulting edge.

馬鹿 is the general, very common insult for a fool, while 猿 used as an insult adds a mocking image of a crude or primitive person.

馬鹿 is a general, blunt insult meaning fool or idiot, while 分からず屋 is more specific and criticizes obstinate incomprehension rather than lack of intelligence.

brute strength; immense physical power