factor (n.)
- adjunct
- adjutant
- agency
- agent
- aid
- allele
- allelomorph
- amanuensis
- antecedent
- appurtenance
- article
- aspect
- assignee
- assistant
- attorney
- backer
- bailiff
- banker
- base
- basis
- birth
- butler
- call
- case
- catalog
- causation
- cause
- character
- chromatid
- chromatin
- chromosome
- circumstance
- class
- clerk
- coadjutor
- component
- consideration
- consignee
- constituent
- contents
- count
- croupier
- curator
- custodian
- datum
- deputy
- detail
- determinant
- determinative
- determiner
- diathesis
- dupe
- element
- emcee
- endowment
- etiology
- eugenics
- facet
- fact
- feature
- fed
- financier
- fixings
- functionary
- gauge
- gene
- genetics
- go-between
- ground
- grounds
- group
- guardian
- helper
- heredity
- heritage
- housekeeper
- implement
- incidental
- influence
- ingredient
- inheritance
- instance
- instrument
- instrumentality
- intermediary
- item
- lender
- librarian
- matter
- means
- middleman
- minutia
- moneylender
- occasion
- official
- part
- particular
- pharmacogenetics
- piece
- point
- principle
- proctor
- procurator
- proxy
- puppet
- regard
- replication
- representative
- respect
- secretary
- seneschal
- sort
- specialty
- steward
- stimulus
- thing
- tool
- winnow
factor (v.)
- aid
- appraise
- article
- assess
- base
- birth
- call
- case
- catalog
- categorize
- cause
- character
- class
- classify
- clerk
- count
- detail
- dupe
- emcee
- evaluate
- fact
- feature
- financier
- gauge
- ground
- group
- identify
- implement
- influence
- instance
- instrument
- lender
- matter
- occasion
- part
- piece
- point
- proctor
- regard
- respect
- sift
- sort
- tool
- weigh
- winnow