Word mod ph/f
An internal 'ph' might be rendered by 'f'
proficu.um ADJ 1 1 NOM S N POS
proficu.um ADJ 1 1 VOC S N POS
proficu.um ADJ 1 1 ACC S M POS
proficu.um ADJ 1 1 ACC S N POS
proficuus, proficua, proficuum ADJ [DXXFS] Late veryrare
beneficial, advantageous; conducive;

Credits:
This, our local install of the popular standby Whitaker's Words, is possible thanks to the resurrection of the venerable project at William Whitaker's Words, where you will also find extensive documentation. The corresponding GitHub repository is where you can submit issues about missing forms and analyses.
This web interface by Walter M. Shandruk.