Following are all the hardpan like words, in the list below.
CALICHE
100% like hardpan
CLAY
66.76% like hardpan
SUBSOILS
33.46% like hardpan
HARDPACKED
33.46% like hardpan
CLAYISH
33.46% like hardpan
CLAYPAN
33.46% like hardpan
TOPSOIL
33.46% like hardpan
SHALEY
33.46% like hardpan
SIDEHILL
33.46% like hardpan
CLODDY
33.46% like hardpan
CAPROCK
33.46% like hardpan
SUBSOILING
33.46% like hardpan
SUBSOIL
33.46% like hardpan
HUMMOCKY
33.46% like hardpan
SOIL
33.46% like hardpan
HARDGROUND
33.46% like hardpan
CLODS
33.46% like hardpan
BEDROCK
33.46% like hardpan
CLAYEY
33.46% like hardpan
GULCHES
33.46% like hardpan
RUBBLY
33.46% like hardpan
SHALY
33.46% like hardpan
SOILS
33.46% like hardpan
SUBSOILER
33.46% like hardpan
GRAVEL
33.46% like hardpan
COHESIONLESS
33.46% like hardpan
HUMMOCKS
33.46% like hardpan
CALCRETE
33.46% like hardpan
LOAM
33.46% like hardpan
SILTY
33.46% like hardpan
SAPROLITE
33.46% like hardpan
CREEKBED
33.46% like hardpan
BERM
33.46% like hardpan
DIVOT
33.46% like hardpan
SANDY
33.46% like hardpan
ROOTZONE
33.46% like hardpan
GREASEWOOD
33.46% like hardpan
CLAYSTONE
33.46% like hardpan
UNCOMPACTED
33.46% like hardpan
GULLYING
33.46% like hardpan
GRASSLESS
33.46% like hardpan
SILT
33.46% like hardpan
LAKEBED
33.46% like hardpan
SANDTRAP
33.46% like hardpan
SILICIOUS
33.46% like hardpan
SPALLS
33.46% like hardpan
COLLUVIUM
33.46% like hardpan
GULLEYS
33.46% like hardpan
PODZOL
33.46% like hardpan
UNPLOUGHED
33.46% like hardpan
SANDINESS
33.46% like hardpan
RUTS
33.46% like hardpan
DIRT
33.46% like hardpan
HUMMOCK
33.46% like hardpan
DEPRESSIONAL
33.46% like hardpan
BARRANCA
33.46% like hardpan
BENTONITIC
33.46% like hardpan
STREAMBEDS
33.46% like hardpan
CLAYLIKE
33.46% like hardpan
TOPSOILS
33.46% like hardpan
BADLAND
33.46% like hardpan
LIMESTONE
33.46% like hardpan
BLACKBRUSH
33.46% like hardpan
PACKSTONE
33.46% like hardpan
SPHERULE
33.46% like hardpan
ROTOTILLING
33.46% like hardpan
GRAINSTONE
33.46% like hardpan
OUTWASH
33.46% like hardpan
CREVICED
33.46% like hardpan
AUGERING
33.46% like hardpan
BUNCHGRASS
33.46% like hardpan
LOAMS
33.46% like hardpan
INTERDUNE
33.46% like hardpan
ALLUVIUM
33.46% like hardpan
STREAMBED
33.46% like hardpan
BOTTOMLAND
33.46% like hardpan
GULLIES
33.46% like hardpan
KAOLINITIC
33.46% like hardpan
DISKING
33.46% like hardpan
DUNEFIELD
33.46% like hardpan
MORAINAL
33.46% like hardpan
COBBLY
33.46% like hardpan
PODZOLIC
33.46% like hardpan
RUTTED
33.46% like hardpan
ARGILLACEOUS
33.46% like hardpan
SUBSTRATA
33.46% like hardpan
WATERTABLE
33.46% like hardpan
COLLUVIAL
33.46% like hardpan
BUCKBRUSH
33.46% like hardpan
SEMIDESERT
33.46% like hardpan
GOSSAN
33.46% like hardpan
CALCAREOUS
33.46% like hardpan
MUSKEG
33.46% like hardpan
FELSITE
33.46% like hardpan
BOTTOMLANDS
33.46% like hardpan
OUTCROPPING
33.46% like hardpan
CARBONATIC
33.46% like hardpan
GREENSAND
33.46% like hardpan
WHINSTONE
33.46% like hardpan
OUKLIP
33.46% like hardpan