🔹 Denominal Adjectives Ending in -ario / -aria: N → A

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The suffix -ario/-aria forms a large group of relational adjectives from nouns. The RAE notes that most adjectives formed with -ario/-aria have nominal bases, among them alimentario, bancario, carcelario, disciplinario, hipotecario, partidario, presupuestario, tributario. (RAE, NGLE §7.8c–d)

An especially productive pattern involves nouns ending in -mento: parlamento → parlamentario, reglamento → reglamentario, complemento → complementario.

Ordered approximately by contemporary frequency and general usefulness.

#	Derived Adjective	In English	Base Noun	Base Noun in English
1	universitario	university; university-related	universidad*	university
2	sanitario	health; sanitary	sanidad*	public health; health
3	bancario	banking; bank-related	banco / banca	bank / banking
4	comunitario	community; community-related	comunidad*	community
5	parlamentario	parliamentary	parlamento	parliament
6	revolucionario	revolutionary	revolución	revolution
7	voluntario	voluntary	voluntad*	will; willingness
8	alimentario	food; dietary; food-related	alimento	food; nourishment
9	monetario	monetary	moneda*	currency; coin
10	complementario	complementary	complemento	complement
11	literario	literary	literatura*	literature
12	imaginario	imaginary	imagen*	image
13	millonario	millionaire; worth millions	millón	million
14	presupuestario	budgetary	presupuesto	budget
15	reglamentario	regulatory; according to regulations	reglamento	regulation
16	partidario	partisan; supportive of	partido	party; faction
17	tributario	tax; tributary	tributo	tax; tribute
18	hipotecario	mortgage; mortgage-related	hipoteca	mortgage
19	hospitalario	hospital-related; hospitable	hospital	hospital
20	disciplinario	disciplinary	disciplina	discipline
21	agrario	agrarian; agricultural	agro	countryside; agricultural land
22	domiciliario	home; domicile-related	domicilio	residence; domicile
23	portuario	port; harbor-related	puerto*	port; harbor
24	aeroportuario	airport-related	aeropuerto*	airport
25	horario	hourly; time-related	hora	hour
26	diario	daily	día*	day
27	legendario	legendary	leyenda*	legend
28	originario	originating; native to	origen*	origin
29	honorario	honorary	honor	honor
30	rutinario	routine; routine-based	rutina	routine
31	protocolario	protocol-related; ceremonial	protocolo	protocol
32	estatutario	statutory	estatuto	statute
33	subsidiario	subsidiary; secondary	subsidio	subsidy; assistance
34	carcelario	prison-related	cárcel	prison
35	penitenciario	penitentiary; prison-related	penitencia*	penance
36	concesionario	concessionary; concession-holding	concesión	concession
37	arancelario	tariff-related	arancel	tariff
38	cambiario	exchange-related; foreign-exchange	cambio	exchange
39	inflacionario	inflationary	inflación	inflation
40	deflacionario	deflationary	deflación	deflation
41	accionario	shareholding; equity-related	acción	share; stock
42	societario	corporate; company-related	sociedad*	company; society
43	fiduciario	fiduciary; trust-related	fiducia	trust
44	indiciario	circumstantial; evidence-based	indicio	indication; evidence
45	fragmentario	fragmentary	fragmento	fragment
46	rudimentario	rudimentary	rudimento	rudiment
47	sedimentario	sedimentary	sedimento	sediment
48	segmentario	segmental; segmentary	segmento	segment
49	testamentario	testamentary	testamento	will; testament
50	sacramentario	sacramental; sacrament-related	sacramento	sacrament
51	parasitario	parasitic; parasite-related	parásito	parasite
52	estacionario	stationary	estación	station
53	embrionario	embryonic	embrión	embryo
54	planetario	planetary	planeta	planet
55	coronario	coronary	corona	crown
56	mamario	mammary	mama	breast; mammary gland
57	urinario	urinary	orina*	urine
58	bibliotecario	library-related; librarian	biblioteca	library
59	documentario	documentary; document-related	documento	document
60	eleccionario	electoral	elección	election
61	elitario	elite; elitist	élite	elite
62	panfletario	pamphleteering; pamphlet-like	panfleto	pamphlet
63	visionario	visionary	visión	vision
64	reaccionario	reactionary	reacción	reaction
65	doctrinario	doctrinaire; doctrinal	doctrina	doctrine
66	sectario	sectarian	secta	sect
67	misionario	missionary	misión	mission
68	beneficiario	beneficiary; benefiting	beneficio	benefit
69	becario	scholarship-holding; grant recipient	beca	scholarship; grant
70	propietario	owning; proprietary	propiedad*	property; ownership
71	identitario	identity-related	identidad*	identity
72	dinerario	monetary; money-related	dinero	money
73	pecuniario	pecuniary; monetary	pecunia	money
74	lapidario	lapidary; inscription-related; terse	lápida	stone slab; gravestone
75	tranviario	tramway-related	tranvía	tram; streetcar
76	presidiario	imprisoned; convict	presidio	prison
77	nucleario	nuclear (less common than nuclear)	núcleo	nucleus

Important morphophonological details:

The asterisk (*) marks a base with a learned, historical, or alternating root, not a fully transparent derivation: moneda → monetario, comunidad → comunitario, universidad → universitario.
The RAE notes that nucleario is less frequent than nuclear, and that elitario, eleccionario, and documentario have regional or specialized distributions. (RAE §7.8c–d)
The RAE indicates that the analysis of contestatario, hereditario, incendiario, and plagiario as N-ario is disputed; some analyses treat them as V-ario formations. That's why they don't appear in this table.

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