How do you abbreviate the word Superintendent?

Abbr.

The word it's stands for it is. It's nice to see you.

Abbrev.

One common abbreviation is "ca." Another way is the equals sign = with a squiggle over it-- like an S on its side.

S U P E R I N T E N D E N T super, tent, dent, tents, dents, indent, indents, ten, den, tens, dens, tin, tins, din, dins, sin, pin, pins, pint, site, pints, tint, tinted, sited, reed, teen, teens,...