... part. To pocket noun – to put noun into the pocket. To can the fruit – to put the fruit into cans. To bottle, to commission, to data-bank, to network (to put something in /on) To ... The noun “sign” is converted into the verb “to sign” changed by derivation (suffixation) into the noun “signal” and converted into a new verb “to signal”. In this case, there is no blocking ... existing ones. There are many common phenomenons in conversion such as word formations from names of colors, instruments, parts of body, ect. And word formations by conversion relating to the...