Words that start with 'p' and contain 'tri'

In total, how many possible words can you make using the combination of letters requested?
On this page of words starting with 'p' that contain 'tri', Dictionarypedia has discovered 463 brilliant entries that are possible.

What is an unusual word from this page?
You'll notice numerous peculiar words in this list, however our favorite word right now is 'pyrocitric'. According to the Oxford dictionary, 'pyrocitric' is defined as "Pertaining to, or designating, any one of three acids obtained by the distillation of citric acid, and called respectively citraconic, itaconic, and mesaconic acid.".

What is the highest scoring word in Scrabble available from this list ?
With so many words from which to select, we'd advise selecting 'paintrix' scoring 17 points overall.

What's the most common word that starts with 'p' and includes 'tri' in the dictionary?
Rating as the 8053^rd most common word, you will want to ensure you have 'patriotic' memorized.

What is the longest word you can create using the combination of letters specified?
There are 22 letters in the word 'pneumoventriculography', making it the largest word Dictionarypedia has.