Momentum - 3 syllables
Syncopation - 4 syllables
Rhythm and pattern - 5 syllables
momENtum, SYNcoPATion, RHYthm and PATtern ___--___ ---__---___ ---___ ___ ---____
moMENtum [beat] syncoPATion [beat] rhythm-and-PATtern [no beat so continues straight on]
And all three patterns, including the beat, take the same time, with the remainder of the sentence continuing at the same speed as PATtern.
https://en.wiktionary.org/wiki/pattern: /ˈpat(ə)n/ or /ˈpædəɹn/
Momentum - 3 syllables
Syncopation - 4 syllables
Rhythm and pattern - 5 syllables