specialization (n.)

• alteration
• analysis
• area
• art
• atomization
• bag
• business
• calling
• career
• careerism
• change
• craft
• demarcation
• differentiation
• discrimination
• disjunction
• distinction
• diversification
• division
• field
• forte
• game
• handicraft
• individualization
• individuation
• itemization
• lifework
• line
• localization
• manner
• metier
• mission
• modification
• mystery
• number
• occupation
• particularization
• personalization
• practice
• profession
• pursuit
• racket
• segregation
• separation
• severance
• specialism
• speciality
• specialty
• style
• technicality
• thing
• trade
• type
• variation
• vocation
• walk
• way
• weakness
• work