Examples from the Web for intervocalic
An intervocalic s or sh shows a tendency to become lisped and voiced to d.
A similar difference in pronunciation existed between antevocalic and intervocalic v, s and final f, s, see 33.A Middle High German Primer|Joseph Wright
Intervocalic g is sometimes retained but generally it has disappeared, whilst after r and l it is still written.
Vice versa, in roots with intervocalic /l/ or /r/, the /l/ or /r/ may change to /d/ when final or abutting on a consonant.A Dictionary of Cebuano Visayan|John U. Wolff