Following are all the seniorness like words, in the list below.
JUNIORNESS
100% like seniorness
SENIORSHIP
100% like seniorness
ELDERSHIP
99.99% like seniorness
SENECTITUDE
99.99% like seniorness
SENIORITY
99.98% like seniorness
SENIORHOOD
99.98% like seniorness
ELDERDOM
99.98% like seniorness
ANCIENCY
99.97% like seniorness
JUNIORITY
99.97% like seniorness
JUNIORSHIP
99.96% like seniorness
ELDERLINESS
99.96% like seniorness
GRANDEEISM
99.96% like seniorness
JUVENILENESS
99.95% like seniorness
INCUMBENCY
99.95% like seniorness
OLDNESS
99.94% like seniorness
SINCERENESS
99.94% like seniorness
VENERABILITY
99.94% like seniorness
UNYOUTHFULNESS
99.93% like seniorness
RETIRINGNESS
99.93% like seniorness
GROWNUPNESS
99.92% like seniorness
PREVIOUSNESS
99.92% like seniorness
ELDERHOOD
99.92% like seniorness
SAGESSE
99.91% like seniorness
CADUCITY
99.91% like seniorness
PRESENILITY
99.9% like seniorness
RESPECTABLENESS
99.9% like seniorness
SERVILENESS
99.9% like seniorness
SENILITY
99.89% like seniorness
GRANDFATHERLINESS
99.89% like seniorness
PRECEDENCY
99.88% like seniorness
SERGEANTSHIP
99.88% like seniorness
OVERAGENESS
99.88% like seniorness
MATURENESS
99.87% like seniorness
ADOLESCENCY
99.87% like seniorness
AGEDNESS
99.86% like seniorness
SAGESHIP
99.86% like seniorness
ALTERIORITY
99.86% like seniorness
DIGNITY
99.85% like seniorness
ANNOSITY
99.85% like seniorness
EMINENCY
99.84% like seniorness
VENERABLENESS
99.84% like seniorness
YOUTHLESSNESS
99.84% like seniorness
MIDDLE-AGEDNESS
99.83% like seniorness
TRANSCENDENCY
99.83% like seniorness
INFERIORNESS
99.82% like seniorness
LONGSTANDINGNESS
99.82% like seniorness
VITALNESS
99.82% like seniorness
SAGELINESS
99.81% like seniorness
ANCIENTNESS
99.81% like seniorness
WIZENEDNESS
99.8% like seniorness
HEIRSHIP
99.8% like seniorness
CONSENESCENCE
99.8% like seniorness
GRANDMOTHERLINESS
99.79% like seniorness
AGELESSNESS
99.79% like seniorness
UPPERCLASSMANSHIP
99.78% like seniorness
ELIGIBLENESS
99.78% like seniorness
CONDESCENDENCY
99.78% like seniorness
SERGEANCY
99.77% like seniorness
ERUDITENESS
99.77% like seniorness
GROWN-UPNESS
99.76% like seniorness
RETIREDNESS
99.76% like seniorness
INVETERATENESS
99.76% like seniorness
SEASONEDNESS
99.75% like seniorness
SUPERINCUMBENCY
99.75% like seniorness
INELIGIBLENESS
99.74% like seniorness
GENUINITY
99.74% like seniorness
GROWN-UP-NESS
99.74% like seniorness
SERENITUDE
99.73% like seniorness
ADVANCEDNESS
99.73% like seniorness
RANKNESS
99.72% like seniorness
PRUDENCY
99.72% like seniorness
MANSHIP
99.72% like seniorness
APPARENCY
99.71% like seniorness
HONOR
99.71% like seniorness
REVERENDNESS
99.7% like seniorness
CHIEFNESS
99.7% like seniorness
PROCERITY
99.7% like seniorness
SENSUOSITY
99.69% like seniorness
TENERITY
99.69% like seniorness
VENERANCE
99.68% like seniorness
VETUSTITY
99.68% like seniorness
PROMINENCY
99.68% like seniorness
FORMERNESS
99.67% like seniorness
URGENTNESS
99.67% like seniorness
SENESCENCE
99.66% like seniorness
SUPERINCUMBENCE
99.66% like seniorness
YOUNGNESS
99.66% like seniorness
GRANDFATHERSHIP
99.65% like seniorness
PUPILLARITY
99.65% like seniorness
HOAR
99.64% like seniorness
LONGEVISM
99.64% like seniorness
OUTDATEDNESS
99.64% like seniorness
CENTENARIANISM
99.63% like seniorness
LONGEVITY
99.63% like seniorness
ULTERIORNESS
99.62% like seniorness
PRECELLENCY
99.62% like seniorness
REVEREDNESS
99.62% like seniorness
GREENNESS
99.61% like seniorness
PERENNITY
99.61% like seniorness
BENIGNANCY
99.6% like seniorness