Word: pattersome
Part of speech: Adjective
Syllables: pa
tter
some
Definition: Characterised or marked by pattering
Morphemes:
Affix: pat
Language: en
PoS: Adjective
Meaning: Timely, suitable, apt, opportune, ready for the occasion; especially of things spoken.
Affix: -er
Language: en
Meaning: frequentative 
Affix: -some
Language: en
PoS: Suffix
Meaning: Characterized by some specific condition or quality, usually to a considerable degree.