Other possible rhymes for nonreturn
about-turn
again-turn
ampere-turn
asstern
astern
attern
atturn
autoturn
back-turn
besturn
beturn
bisterne
coetern
coeterne
constern
contern
detern
deturn
disturn
down-turn
dturn
engine-turn
etern
eterne
extern
externe
forstern
forward/return
fraterne
gastern
half-turn
in-turn
inturn
j-turn
laid-sterne
longdon-on-tern
matern
materne
misturn
out-turn
outearn
outturn
overturn
paddle-turn
pastern
patern
paterne
pink-stern
point-of-no-return
pretern
re-turn
readyreturn
return
returne
right-turn
saint-paterne
sextern
skid-to-turn
slip-turn
sonnemondsterne
stern
stern-
sterne
stirne
sturne
terne
thirn
thurn
thurne
topside-turn
topsy-turn
trap-neuter-return
turn-
turn-by-turn
turne
u-turn
underturn
unstern
unturn
v-stern
work-and-turn