No, tive is not a word.
Some words that end with 'tive' are:Active,addictiveadditiveadjectiveaffirmativeargumentativeassertiveattentiveattractive,automotivecaptivecognitivecomparativecompetitiveconductiveconsecutiveconservativecontraceptivecorrectivecreativedefectivedefinitivederivativedetectivedisruptivedistinctiveelectiveemotiveexecutiveexhaustiveexploitativefigurativeformativefixativeformativefugitiveimperativeinitiativeindicativeinfinitiveinformativeinhibitiveinitiativeintrospectiveintuitivelaxativelocomotivelucrativemotivenarrativenativenegativeobjectiveobstructiveoperativeperceptiveperspectiveplaintivepositivepreventiveprimitiveproductivepunitiveradioactivereceptivereflectiverefractiverepetitiverepresentativerelativeremunerativerepetitiverestorativeretentivesecretiveseductiveselectivesubjectivesuperlativesupportivetransitivevindictivevotive
lungs can not be donated.
potential difference
"Tive" is not a standalone word. It is likely a suffix that is added to the end of certain words to indicate an adjective or a noun (e.g., active, sensitive).
strong and positive
-3
ap-pos-i-tive
at-ten-tive
There are five syllables in the word representative : rep/re/sent/a/tive
two, fes-tive
tive