Trouble
Part of speech: noun
Definition: A distressful or dangerous situation. A difficulty contributing to such a situation Efforts taken. A malfunction, as in "heart trouble". A violent occurrence.
Part of speech: verb
Definition: To bother; to annoy.
Example sentence: Worry is the interest paid by those who borrow trouble.
Cark
Part of speech: verb
Definition: To be filled with worry, solicitude, or troubles.To bring worry, vexation, or anxiety.
Part of speech: noun
Definition: A noxious or corroding worry.The state of being filled with worry.