Words that contain 'pl' and end in 'ph'

Our records have discovered 11 terms.

9 letter words

  • pleomorph

10 letter words

  • diplograph
  • planigraph
  • planograph
  • pleromorph

11 letter words

  • plagiograph
  • plessigraph
  • pluviograph
  • splenolymph

14 letter words

  • plethysmograph

16 letter words

  • stereoplanigraph

How many characters does the largest word on this page contain?
'Stereoplanigraph' is the largest word that our database could construct, containing 16 characters

Is there a word from this page of word that has 'pl' in and ends with 'ph' which might be thought of as unique?
The most interesting word based on public feedback is 'diplograph'. According to the Oxford dictionary, 'diplograph' means "An instrument used for double writing, as one for producing embossed writing for the blind and ordinary writing at the same time. -- Dip`lo*graph"ic*al (#), a. -- Dip*log"ra*phy (#), n.".

How many possible words can you make using the combination of letters specified?
From this list of words that have 'pl' in and end with 'ph', there are 11 combinations which are possible in total.