This is the 9493rd most frequent Japanese word.
粘着
Adhesion; stickiness.
In this sentence, 粘着 (adhesion) is used to describe the adhesive property of the tape.
このテープには強い粘着力があります。
This tape has strong adhesive strength.
Here, 粘着 is used metaphorically to describe a personality trait indicating persistence or clinging nature.
彼の粘着質な性格は時々困ることがあります。
His clingy personality can sometimes be troublesome.
粘着性 denotes the property of being sticky or adhesive, used in a descriptive scientific context.