Turbo Pascal ir vairāk kā 60 rezervētu vārdu, kuri lietojami tikai tiem paredzētajā nolūkā. Tie ir: absolute, begin, constructor, do, external, function, in, label, not, packed, public, shl, to, uses, with, and, break, continue, downto, far, goto, inline, mod, object, private, record, shr, type, var, xor, array, case, destructor, else, file, if, interface, near, of, procedure, repeat, string, unit, virtual, assembler, const, div, end, for, implementation, interrupt, nil, or, program, set, then, until, while.