impala lily vs mock azalia

impala lily and mock azalia both are nouns.

Word	Noun	Adjective	Verb	Adverb
impala lily	Yes	No	No	No
mock azalia	Yes	No	No	No

As nouns, impala lily and mock azalia are synonyms defined as:

impala lily and mock azalia: South African shrub having a swollen succulent stem and bearing showy pink and white flowers after the leaves fall; popular as an ornamental in tropics

Other synonyms of impala lily include Adenium multiflorum, Adenium obesum, desert rose, kudu lily.

impala lily (noun)	mock azalia (noun)
South African shrub having a swollen succulent stem and bearing showy pink and white flowers after the leaves fall; popular as an ornamental in tropics	South African shrub having a swollen succulent stem and bearing showy pink and white flowers after the leaves fall; popular as an ornamental in tropics