Suffered:
The boy suffered every summer, because he had no friends.
Intruder:
The alarm rang loudly, signaling there was an intruder among them.
Companion:
He spend every day enjoying time with his companion.
Enclosure:
The dog hated the enclosure that surrounded him.
Inseparable:
Jack and his dog were inseparable, they never went anywhere without each other.
Charged:
The rabid dog charged at the old man
Chief:
Everyone bowed down to the chief, despite their ranking
Using three in a sentence together:
The dog charged everyone it thought was an intruder, but he was inseparable from the Chief, and always remained loyal, the bond between the Chief and his dog was unwavering.