Following are all the grasswren like words, in the list below.
GRASSBIRD
100% like grasswren
GRASS WARBLER
100% like grasswren
RUFOUS GRASSWREN
99.99% like grasswren
FAIRYWREN
99.99% like grasswren
FAIRY-WREN
99.98% like grasswren
SCRUBWREN
99.98% like grasswren
SANDGROUSE
99.98% like grasswren
WOODSWALLOW
99.97% like grasswren
REED WREN
99.97% like grasswren
WOOD GROUSE
99.96% like grasswren
GRASSHOPPER WARBLER
99.96% like grasswren
WOODSHRIKE
99.96% like grasswren
GREYBACK
99.95% like grasswren
WREN
99.95% like grasswren
GERYGONE
99.94% like grasswren
GRAY JAY
99.94% like grasswren
BUSH-HEN
99.94% like grasswren
WALKER
99.93% like grasswren
GNATWREN
99.93% like grasswren
WATERHEN
99.92% like grasswren
GRACKLE
99.92% like grasswren
BLUE WREN
99.92% like grasswren
FALLOWFINCH
99.91% like grasswren
COWBIRD
99.91% like grasswren
GODWIT
99.9% like grasswren
GRASSQUIT
99.9% like grasswren
MOURNER
99.9% like grasswren
ANTPIPIT
99.89% like grasswren
GALLIFORM
99.89% like grasswren
AMERICAN WARBLER
99.88% like grasswren
EMU-WREN
99.88% like grasswren
STONE CURLEW
99.88% like grasswren
ANTWREN
99.87% like grasswren
GREY HEN
99.87% like grasswren
ROUGHWING
99.86% like grasswren
MYZOMELA
99.86% like grasswren
MOORHEN
99.86% like grasswren
PENGORNITHID
99.85% like grasswren
BLACK GROUSE
99.85% like grasswren
PTARMIGAN
99.84% like grasswren
GREENLET
99.84% like grasswren
ORNITHUROMORPH
99.84% like grasswren
SAND GROUSE
99.83% like grasswren
HEATHWREN
99.83% like grasswren
SAND-GROUSE
99.82% like grasswren
TIPPET GROUSE
99.82% like grasswren
THICKETBIRD
99.82% like grasswren
MOORFOWL
99.81% like grasswren
CAUCASIAN GROUSE
99.81% like grasswren
GRASSFINCH
99.8% like grasswren
GUAN
99.8% like grasswren
BROADBILL
99.8% like grasswren
WILLOW GROUSE
99.79% like grasswren
GALLINULE
99.79% like grasswren
GROPPER
99.78% like grasswren
ROCK PTARMIGAN
99.78% like grasswren
FALLOWCHAT
99.78% like grasswren
GREY FRANCOLIN
99.77% like grasswren
MEADOWLARK
99.77% like grasswren
GOSHAWK
99.76% like grasswren
WORMFOWL
99.76% like grasswren
CURLEW
99.76% like grasswren
SPUR-THROATED GRASSHOPPER
99.75% like grasswren
WOODNYMPH
99.75% like grasswren
MALURID
99.74% like grasswren
DRONGO
99.74% like grasswren
CLODHOPPER
99.74% like grasswren
GALLOANSERINE
99.73% like grasswren
GALLOANSERAN
99.73% like grasswren
SNOWFINCH
99.72% like grasswren
TOWHEE
99.72% like grasswren
BIRDWING
99.72% like grasswren
VARIEGATED FAIRYWREN
99.71% like grasswren
MALIMBE
99.71% like grasswren
SHORTWING
99.7% like grasswren
LAPWING
99.7% like grasswren
BUSHLARK
99.7% like grasswren
ANSERIFORM
99.69% like grasswren
GRYLLINE
99.69% like grasswren
MOUSEBIRD
99.68% like grasswren
GRASSHAWK
99.68% like grasswren
WOODGROUSE
99.68% like grasswren
CUPWING
99.67% like grasswren
MOORBIRD
99.67% like grasswren
ANSERANATID
99.66% like grasswren
SEEDEATER
99.66% like grasswren
SPARROW
99.66% like grasswren
CATBIRD
99.65% like grasswren
LAMBERT'S WREN
99.65% like grasswren
GREENBUL
99.64% like grasswren
WATTLE-EYE
99.64% like grasswren
MUNIA
99.64% like grasswren
WATTLED CRANE
99.63% like grasswren
FROGMOUTH
99.63% like grasswren
TIT-FLYCATCHER
99.62% like grasswren
RED-WINGED FAIRYWREN
99.62% like grasswren
HELMETSHRIKE
99.62% like grasswren
SHRIKETIT
99.61% like grasswren
THAMNORNIS
99.61% like grasswren
GROUND TYRANT
99.6% like grasswren