11 letter words:
nonparallel13,
8 letter words:
parallel10,
7 letter words:
apnoeal9,
planner9,
pleonal9,
preanal9,
6 letter words:
apneal8,
apnoea8,
earlap8,
nonpar8,
paella8,
paleal8,
pallor8,
panner8,
parole8,
planar8,
planer8,
pollen8,
poller8,
prolan8,
replan8,
repoll8,
anneal6,
areola6,
enroll6,
lallan6,
lanner6,
loaner6,
loller6,
loreal6,
reloan6,
ronnel6,
5 letter words:
apnea7,
apron7,
arepa7,
arpen7,
lapel7,
loper7,
nopal7,
opera7,
paean7,
paeon7,
palea7,
paler7,
panel7,
panne7,
parae7,
pareo7,
parle7,
parol7,
pearl7,
pelon7,
penal7,
penna7,
plane7,
plena7,
pleon7,
polar7,
poler7,
prole7,
prone7,
alane5,
alone5,
anear5,
annal5,
anole5,
areal5,
arena5,
enrol5,
learn5,
llano5,
loner5,
loral5,
loran5,
nerol5,
renal5,
4 letter words:
aper6,
leap6,
lope6,
napa6,
nape6,
neap6,
nope6,
opal6,
open6,
pale6,
pall6,
pane6,
para6,
pare6,
peal6,
pean6,
pear6,
peon6,
plan6,
plea6,
pole6,
poll6,
pone6,
pore6,
porn6,
prao6,
proa6,
rape6,
reap6,
repo6,
rope6,
aeon4,
aero4,
alae4,
alan4,
alar4,
aloe4,
anal4,
anna4,
anoa4,
anon4,
area4,
earl4,
earn4,
elan4,
enol4,
lall4,
lane4,
leal4,
lean4,
lear4,
leno4,
loan4,
loll4,
lone4,
lore4,
lorn4,
naan4,
nala4,
nana4,
near4,
neon4,
noel4,
nona4,
none4,
olea4,
olla4,
oral4,
orle4,
rale4,
real4,
roan4,
role4,
roll4,
3 letter words:
alp5,
ape5,
apo5,
lap5,
lop5,
nap5,
ope5,
pal5,
pan5,
par5,
pea5,
pen5,
per5,
pol5,
pro5,
rap5,
rep5,
aal3,
ala3,
ale3,
all3,
ana3,
ane3,
are3,
ear3,
ell3,
eon3,
era3,
ern3,
lar3,
lea3,
nae3,
nan3,
nor3,
oar3,
ole3,
one3,
ora3,
ore3,
ran3,
roe3,
2 letter words:
op4,
pa4,
pe4,
aa2,
ae2,
al2,
an2,
ar2,
el2,
en2,
er2,
la2,
lo2,
na2,
ne2,
no2,
oe2,
on2,
or2,
re2,
