retrotransposon

noun 0.808

retrotransposition

noun 0.732

retroviral

noun 0.693

retrovirus

noun 0.662

retro

noun 0.635

transposon

noun 0.598

retrograde

noun 0.564

rare earth element

noun 0.557

element

noun 0.544

retrogressive

noun 0.541

reverse transcriptase

noun 0.536

retroreflector

noun 0.528

microelement

noun 0.521

retroflex

noun 0.514

transition element

noun 0.513

intron

noun 0.512

antiretroviral

noun 0.507

reticulocyte

noun 0.505

transposase

noun 0.503

pseudogene

noun 0.503

retrofit

noun 0.502

chemical element

noun 0.501