involve B1

/ɪnˈvoːv/ To include something as a necessary part or result M S

involute C2+

/ˈɪnvəˌlut/ intricate or complex; curled or rolled inward M S

uninvolved C2+

/ˌʌnɪnˈvɑlvd/ not taking part in or affected by something; detached M S

involutional C2+

/ˌɪnvəˈluʃənəl/ relating to a shrinking or degenerative decline of an organ or faculty with age M S