maintenance (n.)
- age
- aid
- alimentation
- alimony
- allowance
- antiquity
- backing
- bread
- care
- carriage
- conservancy
- conservation
- constancy
- continuance
- continuation
- continuity
- contribution
- durability
- duration
- endowment
- endurance
- extension
- holding
- inhibition
- keep
- keeping
- lastingness
- lengthening
- livelihood
- living
- longevity
- manna
- meat
- nourishment
- nurture
- perdurability
- perennation
- permanence
- perpetuation
- perpetuity
- perseverance
- persistence
- prehension
- preservation
- progress
- progression
- prolongation
- protection
- protraction
- provision
- pursuance
- reliance
- repetition
- repression
- retention
- retentiveness
- retentivity
- run
- safekeeping
- salt
- salvage
- salvation
- saving
- stability
- standing
- steadfastness
- stipend
- subsidization
- subsidy
- subsistence
- subvention
- support
- suppression
- survival
- sustainment
- sustenance
- sustentation
- tenacity
- treat
- upkeep
- way