Irrupt
Part of speech: verb
Definition: To break into. To enter forcibly or uninvited. To rapidly increase or intensify. Misspelling of erupt.
Intrude
Part of speech: verb
Definition: to enter without permission
Example sentence: The books I read, if they intrude on my writing, do so as weather will pass through and touch a landscape - affecting it, yes, but only now and then leaving a permanent mark.