"recategorization"
ROUNDS
Rousing, ruling
raunch
runnel
It is a rudder.
Ferret.
There could be multiple answers to this. RACISM is one such word starting with R and ending with M.
errand
The word filter is broken down into syllables as fil-ter (/ˈfɪltər/ in IPA). The first syllable of the word is fil- (or /ˈfɪl/).
The accented syllable in the word gather is the first syllable ([GATH-er] - /ˈgæðər/ in IPA).
The consonants in the word 'adventure' are: d, v, n, t, r (5 consonants).
The word sour has two syllables. The syllables of the word are sou-r.