The word reticulation is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 18
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (93 words)
aconite, aileron, airline, aloetic, article, auction, auricle, calorie, cattier, cauline, caution, centaur, central, certain, ciliate, citator, citrate, citrine, cittern, clarion, clatter, clitter, clotter, cloture, clutter, coalier, coalite, corneal, cornett, coulter, counter, culotte, curtail, curtain, cutline, cutrate, elation, elution, enactor, erotica, inciter, inertia, lactone, latrine, lattice, lection, lintier, lunatic, nattier, neutral, nictate, nitrate, nitrite, nittier, nuclear, nuttier, otarine, outearn, outlier, outline, outrace, outrant, outrate, rainout, ratline, recital, recount, reliant, retinal, retinol, retotal, ricotta, routine, tactile, tantric, taunter, tertial, tetanic, tintier, titanic, titular, toenail, toluate, trenail, trounce, truncal, tuition, unalert, unalter, unclear, uncrate, uralite, urinate