1.Narwhal(noun):a small arctic whale
Synonyms:mammal,porpoise
Antonyms: beluga,ceta
Example Sentence:The top of this totem is an exact replica of our narwhal horn.
2.Naval(adjective): relating to warships
Synonyms:marine,maritime
Antonyms: oceanographic,pelagic
Example Sentence:The greatest satisfaction was caused in Naval circles by these changes.
3.Robotic(noun):a machine
Synonyms:automation,cyborg
Antonyms: implement,instrument
Example Sentence:The robot clicked its acknowledgement and moved on to the next table.
4.Rockabilly(noun):a style
Synonyms:country,rock
Antonyms: rockabilly,instrument
Example Sentence:the features of rock-‘n’-roll and hillbilly music.
5.Sobriety(noun):the state
Synonyms:abstemiousness,continence
Antonyms: intemperance,wildness
Example Sentence:He is but a drunkard in his cups, thou a palterer in sobriety.