looseness of the bowels vs diarrhea

looseness of the bowels and diarrhea both are nouns.

Word	Noun	Adjective	Verb	Adverb
looseness of the bowels	Yes	No	No	No
diarrhea	Yes	No	No	No

As nouns, looseness of the bowels and diarrhea are synonyms defined as:

looseness of the bowels and diarrhea: frequent and watery bowel movements; can be a symptom of infection or food poisoning or colitis or a gastrointestinal tumor

Other synonyms of looseness of the bowels include diarrhoea, looseness.

looseness of the bowels (noun)	diarrhea (noun)
frequent and watery bowel movements; can be a symptom of infection or food poisoning or colitis or a gastrointestinal tumor	frequent and watery bowel movements; can be a symptom of infection or food poisoning or colitis or a gastrointestinal tumor