http://uaf.edu.pk/directorates/research/docs/Manual-for-Synopsis-and-Thesis-Preparation.pdf
. • compounds in 'cross' are so many and vari dictionary can help: cross-check, cross-country, cross-examine, cross-eyed, cross-fertile, cross-fertilization, cross-fire, cross-grained, cross-hair, cross-index, cross-legged, cross- link, cross-linkage, cross-linked, cross-multiply, cross-pollinate, cross-pollination...