Word Unit: sen-, sene-, seni-, sir- (Latin: old age, old, elder, elderly)

Related "old; old age, elder" units: gero-; obsolesc-; presbyo-; veter-.

Word Unit: Senior Scribe, Researcher and Compiler of the Project: Word Info + (John Robertson, a committed lexicographer who is utilizing the past and the present to provide word information for our modern age)
Word Unit: senso-, sens-, sensi-, sensori-, sent- (Latin: feeling, perception through physical awareness; to discern or detect by touch, smell, taste, sight, hearing, etc.)

Related-word units meaning feeling: aesth-; pass-, pati-; patho-.

Word Unit: sepsi-, sep-, septi-, septico-, septo-, -sepsis, -septic, -septicemia, -septicemic (Greek: decay, rot, putrefactive)

Word families with similar applications about: "decay, rotten; wasting away; putrid, pus" word units: phthisio- (decay, waste away); puro- (pus); pus (viscous fluid via an infection); pustu- (blister, pimple); putre- (rotten, decayed); pyo- (pus; purulent); sapro- (rotten, putrid, putrefaction, decay); suppurant- (festering, forming or discharging pus); tabe- (wasting away, decaying).

Word Unit: sept-, septi-, septo- (Latin: a partition; a dividing wall between two spaces, tissues, or cavities; from saepire "to enclose, to hedge in", and from saepes, "fence, hedge")
Word Unit: septi-, sept-, septem- (Latin: seven, seventh; a word element for number 7)
Word Unit: Septic Tank Information (There are septic tanks and then there are septic tanks)
Word Unit: sepulc-, sepul- + (Latin: to bury; a grave, a tomb)

Cross references of word groups that are related, directly or indirectly, to: "bury, burial, cemetery, grave; sleeping place": coimetro-; Epitaphs; funer-; sheol; tapho-.

Word Unit: sequ-, sequi-, secut-, suit-, -sue (Latin: follow, followed, following)
Word Unit: sequest-, sequestr- (Latin: to give up for safe keeping; a depository, a trustee; to restrict)
Word Unit: seren- (Latin: tranquility, calmness; peaceful, calm)

Cross references directly, or indirectly, involving "calm, calmness, peace, quiet": pac-, peac-; plac-; quies-, quiet-.

Word Unit: serendip- (Arabic: the gift of finding interesting things by chance; the faculty of finding valuable or agreeable things not sought for; an apparent talent for making fortunate discoveries accidentally)

A cross reference of other word family units that are related directly, or indirectly, to: "chance, luck, fate": aleato-; auspic-; cad-; fortu-; -mancy; sorc-; temer-; tycho-.

Word Unit: seri-, ser- (Latin: serere, a string, a thread; a row, succession, sequence; to join together, to connect, to combine)
Word Unit: seri-, serio- (Latin: weighty, important, grave [from French sérieux (feminine sériuse), from Late Latin seriosus, from earlier Latin serius])
Word Unit: serico-, seric-, seri- + (Greek > Latin: silk)
Word Unit: serm-, sermo- (Latin: a speaking, talking, delivering religious messages; literally, "that which is put together in a certain order")
Cross references of word families related directly, or indirectly, to: "talk, speak, speech; words, language; tongue, etc.": cit-; clam-; dic-; fa-; -farious; glosso-; glotto-; lalo-; linguo-; locu-; logo-; loqu-; mythico-; -ology; ora-; -phasia; -phemia; phon-; phras-; Quotes: Language,Part 1; Quotes: Language, Part 2; Quotes: Language, Part 3; tongue; voc-.

Word Unit: sero-, ser-, seri- (Latin: serum, whey; watery substance; serum, in connection with serum)

Serum, whey words: oro-, orrho- unit.

Word Unit: serpe-, serpen-, serpent-, serpenti- (Latin: creeping, to creep; a creeping thing; snake, snakes; serpent, serpents)
Word Unit: serra-, serri-, serr- (Latin: saw, saw-tooth)
Word Unit: serv- (slave) (Latin: servire, to serve, to be a slave; slave; slavery)