"(some)one" and "(some)body"

[kurisuto]

Here's a short question, but one that keeps bothering me : what's the difference between (any/some/every/no)one and -body ? And if there's a difference, does the "average" native speaker make the distinction in everyday speech ?

[richvh]

They're synonyms, with very little difference in usage.

[kurisuto]

I see... Thanks !

[alphafour]

I find that people use someone more than somebody because its easier to say at speed since the movement of the lips to produce the "b" in body takes more effort than going from "m" to "w" in someone.

[kurisuto]

Many thanks !

[becki_kanou]

This might just be me, but I feel that someone is slightly more formal, and somebody slightly more casual. I wouldn't, for example, use some/every/anybody in a formal speech, but other than that they are interchangeable.

[kurisuto]

Duly noted. Thank you