As adjectives the difference between monotonous and homogenous
is that monotonous is having an unvarying tone or pitch while homogenous is (biology) having the same genetic structure; exhibiting homogeny.
monotonous
English
Adjective
(
en adjective)
having an unvarying tone or pitch
tedious, repetitious or lacking in variety
Related terms
* monotone
* monotony
Synonyms
* monotonic
* samely
homogenous
English
Adjective
(
en adjective)
(biology) Having the same genetic structure; exhibiting homogeny
(proscribed)
Usage notes
According to The Oxford Guide to English Usage , 'homogenous' is a frequent error for homogeneous.