Six letter anagrams (including the apostrope as a letter)

hasn't shan't
aboard abroad
bantam batman
caveat vacate
casual causal
animal lamina
lariat latria
airman marina
alumna manual
rattan tantra tartan
barbel rabble
debase seabed
bedlam beldam
bridal ribald
baleen enable
beater berate rebate
bather breath
braise rabies
marble ramble
nebula unable
barely barley bleary
battle tablet
batter tabret
battue tubate
binary brainy
brumal lumbar
icecap ipecac
encase seance
cerate create
sachem schema
eparch preach
chaser eschar search
chaste sachet scathe
caller cellar recall
cantle lancet
alcove coeval
cartel claret rectal
canter nectar recant trance
cavern craven
ascent secant stance
escarp parsec scrape
carter crater tracer
caster recast
choral lorcha
anchor archon
snatch stanch
copula cupola
carrom marcor
cannot canton
corona racoon
cantor carton contra
carrot trocar
catsup upcast
ladder raddle
dawdle waddle
damned demand madden
adhere header
dealer leader
reader reread
seated sedate
defray frayed
dagger ragged
danger gander garden
grader regard
dearth hatred thread
detail dilate
maiden median
evanid invade
diaper repaid
amused medusa
wander warden
depart petard
retard trader
drawer reward warder
inroad ordain
meager meagre
gamete metage
asleep elapse please
leaves sleave
reseat teaser
fealty featly
ganger grange
genial linage
galore gaoler
garner ranger
argent garnet
garret garter grater
hanker harken
halter lather
anthem hetman
ashore hoarse
phrase seraph
hawser washer
hatter threat
earthy hearty
mesial samiel
alpine pineal
airmen marine remain
insane sienna
retain retina
rapier repair
aspire praise
satire striae
marker remark
skater streak
allure laurel
lament mantel mantle mental
laymen meanly namely
antler learnt rental
neural unreal
latent talent
parley pearly player replay
pastel staple
salver slaver
latter rattle
travel varlet
master stream
reason senora
arpent entrap parent trepan
patent patten
parser rasper
repass sparse
astute statue
gratis striga
pathos potash
plaint pliant
mantis matins
armpit impart
anoint nation
sanity satiny
artist strait
mutual umlaut
patrol portal
paltry partly
runway unwary
parrot raptor
burble lubber rubble
debile edible
begird bridge
binder inbred
burden unbred
buffer rebuff
bugler burgle
timber timbre
bestir bister
lumber rumble
blower bowler
bustle sublet subtle
somber sombre
sorbet strobe
circle cleric
citric critic
crocus succor
deduce deuced
decree recede
credit direct
condor cordon
pierce recipe
recite tierce
censer screen secern
center centre recent
except expect
ceruse recuse rescue secure
coheir heroic
cither thrice
pincer prince
incept pectin
incest insect
conker reckon
corker rocker
corset escort sector
course source
covert vector
coming gnomic
chrism smirch
citrus rustic
crusty curtsy
dished eddish
diesel sedile
desire reside
fidget gifted
finder friend 
enfold fondle
grudge rugged
gilder girdle glider
dehorn horned
widely wieldy
indent intend
resold solder
holdup uphold
nudity untidy
torpid tripod
ferine refine
ferule refuel
emigre regime
nether threne
herpes sphere
relive revile
review viewer
resell seller
retell teller
selves vessel
meteor remote
opener reopen
neuter tenure tureen
setter street tester
finger fringe
filler refill
finely lenify
filter trifle
itself stifle
sifter strife
flower fowler
former reform
forest foster
ginger nigger
eighth height
ignore region
resign singer
ingest signet
goiter goitre
groove overgo
grouse rugose
shiver shrive
wither writhe
hustle sleuth
hornet throne
joiner rejoin
lentil lintel
rillet tiller
prelim rimple
insole lesion
spinel spline
lineup lupine
enlist listen silent tinsel
silver sliver
livery verily
minuet minute
impure umpire
instep spinet
puisne supine
insert sinter
invert virent
esprit priest sprite stripe
risque squire
resist sister
sitter triste
stiver strive
stoker stroke
lovely volley
lumper rumple
looter retool
lopper propel
louvre velour
lutose tousle
luster lustre result rustle sutler ulster
return turner
porter report
poster presto
resort roster sorter
retort rotter
oyster storey
estrus russet
suture uterus
oppugn popgun
punish unship
insult sunlit
pistol spoilt
nonius unison
option potion
snoopy spoony
sprout stupor

Found, spring 2000, in dictionary by dpd using process described here.