basis
on the basis of

behalf
on behalf of

brake
to put on the brakes

doorstep
to be on the doorstep

extinction
to be on the verge of extinction

feature
a special feature on education

front
on the front

hang
to hang on

horseback
on horseback

instinct
to act on instinct

jaunt
to go on a jaunt

keen
to be keen on sports

knee
on one's knees

largely
...depends largely on the government itself.

lay
to lay a responsibility on someone

merit
on merit

numerous
on numerous occasions

on
on the table

on-line
on-line shopping

parade
on parade

policy
the government’s policy on education

radio
to switch on the radio

rely
My work relies on computers.

shore
on shore

solely
based solely on merit

switch
to switch on/off

tread
to tread on somebody’s toes

vacation
to be on vacation

verge
on the verge of tears

waiter
wait on table