1) Apart 2) Disrelated 3) Dissimilar 4) Dissociated 5) Immaterial 6) Irrelevant 7) Misrelated 8) Unconnected 9) Uncorrelated 10) Unlike 1) Coincidental 2) Dissociated 3) Lacking consanguinity 4) Like bears and koala bears 5) Misrelated 6) Not associated 7) Not connected 8) Not connected by kinship 9) Not in the same family 10) Not kin 11) Off the subject 12) Orthogonal 13) Unconnected 14) Uncorrelated 
[adj] - not connected or associated 2. [adj] - not connected by kinship