offshoot

[1]	branch , outgrowth , branch , spur , shoot , offset , limb , bough , twig , stem , appendage , sucker , sprout , sprig , tendril , scion
[2]	descendant , relation , relative , kin , kindred , offspring , scion , heir
[3]	outgrowth , development , branch , spin-off , by-product , derivative