Following are all the softtail like words, in the list below.
WOODNYMPH
100% like softtail
SCISSORTAIL
100% like softtail
STUBTAIL
99.99% like softtail
THUNDERBUG
99.99% like softtail
TIT-SPINETAIL
99.98% like softtail
HAIRBIRD
99.98% like softtail
THISTLETAIL
99.98% like softtail
LONGTAIL
99.97% like softtail
PLAIN-WINGED ANTSHRIKE
99.97% like softtail
SPOT-BACKED ANTSHRIKE
99.96% like softtail
FLUFFTAIL
99.96% like softtail
SEEDEATER
99.96% like softtail
MOUSE-COLORED ANTSHRIKE
99.95% like softtail
LARGE-TAILED ANTSHRIKE
99.95% like softtail
STREAK-BACKED ANTSHRIKE
99.94% like softtail
DOCTOR BIRD
99.94% like softtail
THORNTAIL
99.94% like softtail
ROUGHWING
99.93% like softtail
SPECTACLED PRICKLETAIL
99.93% like softtail
BLACK-HOODED ANTSHRIKE
99.92% like softtail
VARIABLE ANTSHRIKE
99.92% like softtail
SHORTWING
99.92% like softtail
TREE SPARROW
99.91% like softtail
HERMIT
99.91% like softtail
TREE PIPIT
99.9% like softtail
TIPPET GROUSE
99.9% like softtail
NEEDLETAIL
99.9% like softtail
SPOT-WINGED ANTSHRIKE
99.89% like softtail
FORKTAIL
99.89% like softtail
REED THRUSH
99.88% like softtail
SPATULETAIL
99.88% like softtail
LINED ANTSHRIKE
99.88% like softtail
TUFTED ANTSHRIKE
99.87% like softtail
RUFOUS-WINGED ANTSHRIKE
99.87% like softtail
BLACK-THROATED THRUSH
99.86% like softtail
TULLBERGIID
99.86% like softtail
WOODSHRIKE
99.86% like softtail
SPINETAIL
99.85% like softtail
FIRETAIL
99.85% like softtail
METALTAIL
99.84% like softtail
GREY WAGTAIL
99.84% like softtail
SWIFTFOOT
99.84% like softtail
TRUE THRUSH
99.83% like softtail
FEATHERTAIL
99.83% like softtail
SHORT-TOED TREECREEPER
99.82% like softtail
ACRE ANTSHRIKE
99.82% like softtail
BAND-TAILED ANTSHRIKE
99.82% like softtail
TEETER-TAIL
99.81% like softtail
SOORETAMA SLATY ANTSHRIKE
99.81% like softtail
VARIED THRUSH
99.8% like softtail
BOBTAIL
99.8% like softtail
BIRDLET
99.8% like softtail
UNIFORM ANTSHRIKE
99.79% like softtail
SMALL SKIPPER
99.79% like softtail
PIED WAGTAIL
99.78% like softtail
TESIA
99.78% like softtail
TIPPET
99.78% like softtail
BUSHTIT
99.77% like softtail
SPOTTED CHIRPING FROG
99.77% like softtail
BLUE-WINGED LAUGHINGTHRUSH
99.76% like softtail
NATTERER'S SLATY ANTSHRIKE
99.76% like softtail
TREESWIFT
99.76% like softtail
SWIFT
99.75% like softtail
TIT-FLYCATCHER
99.75% like softtail
PERCHING BIRD
99.74% like softtail
SHEARTAIL
99.74% like softtail
SWALLOWTAIL
99.74% like softtail
PALE THRUSH
99.73% like softtail
SPRIGTAIL
99.72% like softtail
SONG THRUSH
99.72% like softtail
REDWING
99.72% like softtail
TITYRA
99.71% like softtail
CLUBTAIL
99.71% like softtail
TUFTED TITMOUSE
99.7% like softtail
LONG-TAILED TITMOUSE
99.7% like softtail
COLLARED ANTSHRIKE
99.7% like softtail
SHRIKETHRUSH
99.69% like softtail
EURASIAN BLACKBIRD
99.69% like softtail
GREAT ANTSHRIKE
99.68% like softtail
MUFF
99.68% like softtail
COQUETTE
99.68% like softtail
SOFTBILL
99.67% like softtail
BLACK-BACKED ANTSHRIKE
99.67% like softtail
PERUVIAN SLATY ANTSHRIKE
99.66% like softtail
GLOSSY ANTSHRIKE
99.66% like softtail
BRUSHFINCH
99.66% like softtail
THICKETBIRD
99.65% like softtail
RED-THROATED THRUSH
99.65% like softtail
BLACK-THROATED ANTSHRIKE
99.64% like softtail
SHORT-TAILED HAWK
99.64% like softtail
MISTLE THRUSH
99.64% like softtail
EURASIAN SPARROWHAWK
99.63% like softtail
CISTICOLA
99.63% like softtail
BLACK ANTSHRIKE
99.62% like softtail
SNOWFINCH
99.62% like softtail
GREEN SANDPIPER
99.62% like softtail
SILVERY-CHEEKED ANTSHRIKE
99.61% like softtail
SWAINSON'S THRUSH
99.61% like softtail
BROWN THRASHER
99.6% like softtail
FLUFFY-BACKED TIT-BABBLER
99.6% like softtail