Word: nightmare
Part of speech: Noun
Syllables: night
mare
Definition: Any bad, miserable, difficult or terrifying situation or experience that arouses anxiety, terror, agony or great displeasure.
Morphemes:
Affix: night
Language: en
PoS: Noun
Meaning: An evening or night spent at a particular activity.
Affix: mare
Language: en
Meaning: evil spirit believed to afflict a sleeping person