consumption vs phthisis

consumption and phthisis both are nouns.

Word	Noun	Adjective	Verb	Adverb
consumption	Yes	No	No	No
phthisis	Yes	No	No	No

As nouns, consumption and phthisis are synonyms defined as:

consumption and phthisis: involving the lungs with progressive wasting of the body

Other synonyms of consumption include pulmonary tuberculosis, wasting disease, white plague.

consumption (noun)	phthisis (noun)
the act of consuming something	involving the lungs with progressive wasting of the body
the process of taking food into the body through the mouth (as by eating)
(economics) the utilization of economic goods to satisfy needs or in manufacturing
involving the lungs with progressive wasting of the body