Nouns

(n)inconvenience, incommodiousnessan inconvenient discomfort
(n)troublesomeness, inconvenience, worrimenta difficulty that causes anxiety
(n)inconveniencethe quality of not being useful or convenient

Verbs

(v)trouble, put out, inconvenience, disoblige, discommode, incommode, botherto cause inconvenience or discomfort to“Sorry to trouble you, but …”