proto-proto- /prəʊtəʊ, -tə $ proʊtoʊ, -tə/ prefix 
technical existing or coming before other things of the same type: 
a proto-fascist group a prototype
technical existing or coming before other things of the same type: a proto-fascist group a prototype- disaffiliate
- disaffiliation
- disagree
- disagreeable
- disagreeably
- disagreement
- disallow
- disappear
- disappearance
- disappoint
- disappointed
- disappointing
- disappointingly
- disappointment
- disapprobation
- disapproval
- disapprove
- disapproving
- disapprovingly
- disarm
- disarmament
- disarming
- disarmingly
- disarrange
- disarray