The correlative ᴹQ. hrimilde “in many ways” appeared in Demonstrative, Relative, and Correlative Stems (DRC) from 1948 (PE23/111), a combination of ᴹQ. hrim- “many” and ᴹQ. -l(de) “ways”.
Neo-Quenya: For purposes of Neo-Quenya I would adapt this to ᴺQ. rímaro “for many reasons” using rim- “many” and the later suffix -llë.
The correlative ᴹQ. lilde “in many ways” appeared in Demonstrative, Relative, and Correlative Stems (DRC) from 1948 (PE23/111), a combination of ᴹQ. li(n)- “several, many” and ᴹQ. -l(de) “ways”.
Neo-Quenya: For purposes of Neo-Quenya I would update this to ᴺQ. lillë “in many ways” using the later suffix -llë.