Meaning of suffix ''- ic'' in relation to ''materialist'' vs ''materialistic''
Solution 1:
Materialistic is an adjective derived from the noun
Materialist:
1660s and after in various philosophical and theological senses, on model of French matérialiste, from material (n.) + -ist
Materialistic:
"pertaining to, of the nature of, or characterized by materialism" in any sense, 1829, from materialist + -ic.
(Etymonline)
The suffix -like is generally used with nouns:
changes a noun into an adjective meaning 'typical of or similar to':
- childlike trust
- a cabbage-like vegetable
(Cambridge Dictionary)
so: materialist-like.