15-letter words with S as the 2nd letter

This pattern is a small corner of the 15-letter word set: 88 entries qualify, compared with 1,013 that have E in the second position. Most start with P, and many of the recognizable examples belong to psycho- or pseudo- families. Only one entry meets the common-word frequency threshold, so expect specialized vocabulary rather than everyday plays.

15-letter words with S as the 2nd letter at a glance

• There are 88 qualifying words across the tournament dictionaries.
• P leads the first-letter group with 51 entries; A follows with 20.
• A total of 46 entries end in S, while 15 end in Y.
• Only one entry falls within the top 25,000 English words by frequency.
• psychoanalyzing leads the score list at 38 points.

What patterns stand out in these long words?

P dominates the opening position, and the examples make the reason easy to spot: psychologically, psychotherapist, psychopathology, and psychotherapies all begin with the same broad psycho- pattern. Pseudoscorpions and pseudoephedrine add a second family, while astrophysicists and astrobiologists show that the list is not limited to those prefixes.

The endings are just as revealing. Nearly half of the entries finish with S: the count is 46, against 15 ending in Y and seven ending in T. That makes a final S a promising cross-check when your rack or pattern already points to a long technical word.

The overall average score is 24.8, but letter placement on the board still determines the play’s value.

Which entries score highest, and what should you check?

psychoanalyzing tops the score ranking at 38, followed by psychoanalyzers at 37 and psychobiography at 36. Psychophysicist, psychochemistry, and psychosexuality each score 35. These are striking totals for long words, but the score comes from their letter mix; a premium square or a different game’s scoring rules can change the result.

Dictionary coverage differs: Collins recognizes 86 entries, NWL2023 lists 55, and ENABLE lists 50. A word present in one list may be absent from another, so check your game’s dictionary before committing. The common-word count is just one, which is an honest warning for casual puzzles: most answers here are specialist terms, not familiar daily vocabulary.