maintenance

noun 0.728

upholding

noun 0.645

keeping

noun 0.641

maintainability

noun 0.636

facility maintenance

noun 0.617

keeps

noun 0.603

keep

noun 0.601

housekeep

noun 0.600

housekeeping

noun 0.586

uptime

noun 0.575

sustaining

noun 0.567

maintainer

noun 0.559

sustain

noun 0.559

upgrade

noun 0.557

checkup

noun 0.536

overhaul

noun 0.535

uplift

noun 0.534

updation

noun 0.534

watchkeeping

noun 0.531

uprightness

noun 0.531

upstand

noun 0.530

mainprise

noun 0.527

sustenance

noun 0.527

repair

noun 0.525

preserve

noun 0.519

outlay

noun 0.518

tidy-up

noun 0.518

groundskeeping

noun 0.517

upliftment

noun 0.516

updating

noun 0.514

upbringing

noun 0.514

upmanship

noun 0.513

upgrading

noun 0.512

get-up

noun 0.510

uphill

noun 0.509

uprate

noun 0.509

run up

noun 0.508

overhead

noun 0.508

safekeeping

noun 0.507

upgradation

noun 0.507

buildup

noun 0.507

upturn

noun 0.505

upside

noun 0.504

peacekeeping

noun 0.502