ugly

ugliness

tribal chief; headman; leader; chieftain (note: considered politically incorrect) / emir

Pennsylvania (the 2nd state of the United States of America)

frequency (number of occurrences divided by time)

monk, friar

invasion, trespassing / an attack, an assault / (medicine) infection, infestation, trauma

to invade / to attack / (medicine) to infect; to cause trauma to a person or other living organism

(religion) eschatology (study of the end times)

end; finish