Part of speech: Adverb
with respect to material aspects
Example: psychologically similar but materially different
Part of speech: Adverb
to a significant degree
Example: it aided him materially in winning the argument
The word "materially" comes from Middle English materialy.
material – A related word in the same word family.
ly – A related word in the same word family.
Chaucer's Canterbury Tales show how creatively Middle English speakers mixed vocabularies.