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The absolute neutrino masses and type of neutrino mass hierarchy are amongthe main problems in neutrino physics. Top-quark mass is another topicalproblem in particle physics. These problems extend the old puzzle ofelectron-muon mass ratio close to the fine structure constant, which is stillnot solved by known theory. Here I continue the search for a general flavorpattern that may incorporate these problems. Relations betweenneutrino/electron and electron/top-quark pole mass ratios are obtained fromsupposition that realistic elementary particle dimensionless bare flavorquantities are small deviated (measured by universal parameter e) from thevalues of a stated flavor pattern (at e=0) and experimental data hints. Withthe world average t-quark mass data the sum of QD-neutrino masses is estimated(0.50 +- 0.003)eV in agreement with cosmological constraints and knownQD-neutrino mass estimations from experimental data on neutrino oscillationmass-squared differences.

Top-Quark Mass Data and the Sum of Quasi-Degenerate Neutrino Masses (One  small electroweak-bound e-parameter organizes elementary particle 3-flavor  phenomenology)