[astroflection]

It thinks the word "service" is three syllables and "chocolate" is four.

[riffraff]

AFAICT metric sillables basically count the vowel sounds so service is two and chocolate is two or thre: "ser-vis" (ˈsɜːvɪs) and "chok-lait" or "cho-ko-lait" (ˈʧɔklət or ˈʧɔkolət).

[rich_sasha]

And "describe" is three.