Following are all the staunch like words, in the list below.
STEADFAST
100% like staunch
CONSTANT
99.94% like staunch
UNSWERVING
99.9% like staunch
STEM
99.89% like staunch
STANCH
99.87% like staunch
HALT
99.75% like staunch
TRUSTY
66.75% like staunch
RELIABLE
66.75% like staunch
FAITHFUL
66.75% like staunch
LOYAL
66.75% like staunch
SINCERE
66.75% like staunch
UNSTINTING
66.75% like staunch
TRUE
66.74% like staunch
EARNEST
66.74% like staunch
CONVINCED
66.73% like staunch
DETERMINED
66.73% like staunch
COMMITTED
66.73% like staunch
UNDIVIDED
66.72% like staunch
SWORN
66.72% like staunch
WHOLEHEARTED
66.72% like staunch
OUTSPOKEN
66.72% like staunch
DECISIVE
66.72% like staunch
FIRMLY
66.71% like staunch
POWERFUL
66.71% like staunch
RESOLUTELY
66.71% like staunch
RESOLUTE
66.7% like staunch
EMPHATIC
66.7% like staunch
STALWART
66.69% like staunch
ABIDING
66.69% like staunch
TENACIOUS
66.69% like staunch
STRONG-WILLED
66.68% like staunch
STRONGLY
66.68% like staunch
FORCEFUL
66.68% like staunch
STRONG
66.68% like staunch
PERSISTENT
66.67% like staunch
ROBUST
66.66% like staunch
FAIR
66.66% like staunch
GREAT
66.65% like staunch
DEVOUT
66.65% like staunch
LARGE
66.65% like staunch
STARK
66.65% like staunch
ADAMANT
66.64% like staunch
ENERGETIC
66.62% like staunch
AVID
66.62% like staunch
KEEN
66.62% like staunch
VIGOROUS
66.62% like staunch
PASSIONATE
66.61% like staunch
ENTHUSIASTIC
66.61% like staunch
FERVENT
66.61% like staunch
ARDENT
66.61% like staunch
UNWAVERING
66.61% like staunch
UNFAILING
66.6% like staunch
CONTAIN
66.6% like staunch
FIRM
66.6% like staunch
UNCONDITIONAL
66.6% like staunch
UNFLINCHING
66.6% like staunch
UNYIELDING
66.6% like staunch
SEVERE
66.6% like staunch
UNFLAGGING
66.58% like staunch
UNSHAKEABLE
66.58% like staunch
UNRESERVED
66.55% like staunch
FIERCE
66.55% like staunch
UNQUALIFIED
66.54% like staunch
VOCAL
66.53% like staunch
SKITTISH
66.49% like staunch
RABID
66.44% like staunch
WARM
66.35% like staunch
FIERY
66.25% like staunch
SOLID
66.14% like staunch
STRONGEST
33.46% like staunch
STAUNCHEST
33.46% like staunch
STAUNCHER
33.46% like staunch
DIEHARD
33.46% like staunch
VEHEMENT
33.46% like staunch
SUPPORTER
33.46% like staunch
VOCIFEROUS
33.46% like staunch
LONGTIME
33.46% like staunch
AVOWED
33.46% like staunch
UNABASHED
33.46% like staunch
PROFESSED
33.46% like staunch
ZEALOUS
33.46% like staunch
FANATICAL
33.46% like staunch
OUTSPOKENLY
33.46% like staunch
LIFELONG
33.46% like staunch
HARDLINE
33.46% like staunch
INVETERATE
33.46% like staunch
PROPONENT
33.46% like staunch
STALWARTLY
33.46% like staunch
UNBENDING
33.46% like staunch
STRIDENT
33.46% like staunch
RABIDLY
33.46% like staunch
PERTINACIOUS
33.46% like staunch
FERVID
33.46% like staunch
TIRELESS
33.46% like staunch
VALIANT
33.46% like staunch
IMPLACABLE
33.46% like staunch
UPHOLDER
33.46% like staunch
UNSHAKABLE
33.46% like staunch
REDOUBTABLE
33.46% like staunch
UNBENDINGLY
33.46% like staunch