In notes:

kekti
x1 is 10(-30) of x2 in dimension/aspect x3 (default is units).
ronci
x1 is 10(-27) of x2 in dimension/aspect x3 (default is units).
ronro
x1 is 1027 of x2 in dimension/aspect x3 (default is units).
ronte
x1 is a rodent [can be a member of eutherian mammal Rodentia; semantic broadening might subjectively generalize the concept somewhat] of subtaxon/type/genus/species/breed/variety x2.
raunte
x1 is a rodent [can be a member of eutherian mammal Rodentia; semantic broadening might subjectively generalize the concept somewhat] of subtaxon/type/genus/species/breed/variety x2.