Conditional words are used to express conditions or situations that MAY or MAY not occur. The crossword solutions for the term 'conditional words' are IFS (3 letters), MAY (3 letters), ELSE (4 letters), ASIF (4 letters), and IFSO (4 letters). IFS is a conjunction used to introduce a condition, MAY is a modal verb used to express possibility, ELSE is a conjunction used to introduce an alternative, ASIF is a conjunction used to introduce a hypothetical situation, and IFSO is a conjunction used to introduce a consequence.