Words starting with P, then R, then T, then A, ending in L
114 words fit this spine. They're all listed below. They start with P, end with L, and contain R then T then A in that order in between — not necessarily side by side.
- pacemaker doesn't fit: it starts with P but ends with R, not L.
- painful doesn't fit: it has the right ends but no R in the middle.
- paternal doesn't fit: it has every letter of PRTAL but they don't appear in order inside it.
6-letter words
portal
7-letter words
partial
8-letter words
parental, parietal, phratral, pratfall, prenatal, pretrial, primatal, pubertal
9-letter words
perinatal, perpetual, piratical, portrayal, practical, precoital, preputial, pretravel, primatial, protozoal
10-letter words
parenteral, perceptual, periosteal, peritoneal, praetorial, preethical, prefrontal, pregenital, premarital, prenuptial, proctorial, prostomial, protonemal, prototypal, prudential
11-letter words
parasitical, participial, patristical, periodontal, peristomial, perithecial, polycrystal, postmarital, postorbital, pragmatical, precritical, predoctoral, prefectural, prepubertal, preterminal, probational, promotional, prophetical, protectoral, purgatorial, puritanical
12-letter words
paratactical, perceptional, perorational, perspectival, precentorial, preceptorial, preferential, premenstrual, presbyterial, presidential, procathedral, productional, projectional, proportional, protonematal, prototypical, providential
13-letter words
parasiticidal, parenthetical, pentobarbital, permutational, phenobarbital, prehistorical, preindustrial, prepositional, preternatural, prevocational, problematical, proctological, procuratorial, propositional, proprietorial, prosecutorial, pyrotechnical
14-letter words
perturbational, pharmaceutical, posterolateral, preconsonantal, preoperational, presentational, presentimental, primatological, progestational, prothonotarial
15-letter words
pantisocratical, parasitological, participational, preagricultural, prepresidential, pronunciational
16-letter words
postexperimental, postpresidential, presuppositional, pretechnological
17-letter words
pharmacognostical, posttranslational, pyrometallurgical
19-letter words
posttranscriptional
Where this pattern came from
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Every word above follows this rule — see if you can find them under a clock.
How the rule works