There are many claims about how they differ, but none are consistently borne out in real-world usage, except in psychology, where instinctual things arise out of complex human drives.
Amuck fell out of favor in the middle 20th century. Amok is now the preferred spelling.
Hung is the past tense and past participle everywhere except where hang means to put to death by hanging.
Someday: at an indefinite future time. Some day: a certain day (specified or unspecified).
= (1) to give false representation to, (2) to show [something] to be false, or (3) to contradict.
a large, challenging undertaking.
Picaresque: involving clever rogues or adventurers. Picturesque: suitable for a picture, or visually striking.
Often jargonistic, often wordy for per or as.
Enclose is the preferred form.