strain
index
aggravation (annoyance), ancestry, blood, bloodline, burden, descent (lineage), distill, distort, effort, encumber (hinder), endeavor (noun), endeavor (verb), exert, exhaust (deplete), family (common ancestry), feud, force (break), harass, ill will, labor (exertion), labor, mistreat, overextend, overload, overstep, pressure, purge (purify), race, screen (select), strive, struggle, tax (overwork), try (attempt), work (effort)
Burton's Legal Thesaurus.
William C. Burton.
2006