severe vs austere

severe and austere both are adjectives.

Word	Noun	Adjective	Verb	Adverb
severe	No	Yes	No	No
austere	No	Yes	No	No

As adjectives, severe and austere are synonyms defined as:

Other synonyms of severe include stark, stern.

severe (adjective)	austere (adjective)
causing fear or anxiety by threatening great harm	practicing great self-denial
intensely or extremely bad or unpleasant in degree or quality	of a stern or strict bearing or demeanor; forbidding in aspect
severely simple	severely simple
very strong or vigorous
very bad in degree or extent
unsparing and uncompromising in discipline or judgment