Transitive verb

to keep; to preserve; to hold; to retain; to maintain; to sustain

Intransitive verb

to last; to endure; to keep well (food); to wear well; to be durable

securing; obtaining; ensuring; guarantee; maintaining

belay; belaying

guarantee; security; assurance; pledge

保証 only

warranty

protection; safeguard; guardianship; custody; patronage

preservation; conservation

preservation; conservation; storage; maintenance

Computing

saving (e.g. to disk)

charge; custody; safekeeping; deposit; storage

guardian; protector; patron; parent

infirmary (at a school, workplace, etc.); health center; nurse's office; nurse's room; sickroom; sick bay

insurance

guarantee; warranty

reservation; putting on hold; deferment; withholding