ACCITE: lost in _excite_.

ASSAY: quite a common word, lost in _say_ (?)

ATONE: lost in _tone_.

and thus _attempt_, _attaint_, _attest_, _avail_, all suffered from
_tempt_, _taint_, _test_, _veil_, whereas _attend_ seems to have
destroyed _tend_.

_Table of homophones that may seem to be presently falling out of
use._[15]

ail.
alms.
ascent.
augur (_v._).
barren.
bate.
bier.
bray (_pound_).
bridal.
broach.
casque.
cede.
cession.
cite.
clime.
corse.