I didn't find anything for this season, but Daeqwon Plowden had the highest three-point percentage + free-throw percentage in 2024-25, with 152.94 in his rookie season.

Interpreted as:

highest 3p%+ft% by a player this season

	NAME	3P%+FT%	3P%	FT%	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	FTM	FTA	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Daeqwon Plowden D. Plowden	152.94	52.9	100.0	2024-25	ATL	6	12.0	7.2	1.8	0.3	0.0	0.0	2.7	4.2	64.0	1.5	2.8	0.3	0.3	83.1	0.7	1.2	0.7	72	43	11	2	0	0	4	10	+29
2	Markelle Fultz M. Fultz	150	50.0	100.0	2024-25	SAC	21	8.8	2.9	1.0	1.3	0.5	0.1	1.3	3.2	41.8	0.2	0.4	0.0	0.0	45.2	0.3	0.7	0.7	184	61	20	27	10	2	15	12	+5
3	Jahmir Young J. Young	150	50.0	100.0	2024-25	CHI	6	5.0	1.8	0.5	1.0	0.0	0.0	0.7	0.8	80.0	0.2	0.3	0.3	0.3	93.5	0.2	0.3	0.2	30	11	3	6	0	0	1	2	-7
4	Alex Ducas A. Ducas	147.62	47.6	100.0	2024-25	OKC	21	6.0	1.7	1.2	0.2	0.2	0.0	0.6	1.4	40.0	0.5	1.0	0.1	0.1	58.3	0.4	0.8	0.2	125	36	26	5	5	0	4	12	-22
5	Sam Hauser S. Hauser	141.6	41.6	100.0	2024-25	BOS	71	21.7	8.5	3.2	0.9	0.6	0.2	3.0	6.7	45.1	2.3	5.6	0.2	0.2	63.2	0.6	2.5	0.3	1,541	605	224	64	41	13	23	87	+325
6	Cam Spencer C. Spencer	136.54	36.5	100.0	2024-25	MEM	25	10.1	4.2	1.2	1.4	0.4	0.0	1.4	3.3	41.5	0.8	2.1	0.8	0.8	58.7	0.5	0.7	0.2	252	106	30	34	9	1	6	23	+40
7	Aaron Nesmith A. Nesmith	134.33	43.1	91.3	2024-25	IND	45	24.9	12.0	4.0	1.2	0.8	0.4	4.3	8.4	50.7	1.9	4.3	1.6	1.8	65.3	0.8	3.1	0.8	1,122	541	178	54	35	17	37	114	+198
8	Sam Merrill S. Merrill	133.78	37.2	96.6	2024-25	CLE	71	19.7	7.2	2.2	1.5	0.7	0.2	2.4	6.0	40.6	1.9	5.2	0.4	0.4	58.3	0.5	1.7	0.5	1,401	509	157	108	53	14	35	124	+321
9	Kessler Edwards K. Edwards	133.05	40.7	92.3	2024-25	DAL	40	15.2	4.2	2.9	1.1	0.5	0.5	1.7	3.4	49.6	0.6	1.4	0.3	0.3	59.7	0.6	2.3	0.4	608	168	115	42	19	20	16	62	-160
10	Stephen Curry S. Curry	132.98	39.7	93.3	2024-25	GSW	70	32.2	24.5	4.4	6.0	1.1	0.4	8.1	18.0	44.8	4.4	11.2	4.0	4.3	61.8	0.6	3.9	2.9	2,252	1,718	310	421	80	30	200	95	+299
11	Keaton Wallace K. Wallace	132.93	32.9	100.0	2024-25	ATL	31	16.2	5.4	1.6	2.6	0.9	0.3	2.1	5.2	40.1	0.9	2.6	0.4	0.4	50.3	0.2	1.4	1.1	501	168	50	81	28	9	33	39	-19
12	Luke Kennard L. Kennard	132.77	43.3	89.5	2024-25	MEM	65	22.6	8.9	2.8	3.3	0.8	0.1	3.2	6.6	47.8	1.7	4.0	0.8	0.9	63.1	0.6	2.2	1.1	1,472	576	183	215	50	5	72	59	+122
13	Kyrie Irving K. Irving	131.7	40.1	91.6	2024-25	DAL	50	36.1	24.7	4.8	4.6	1.3	0.5	8.9	18.9	47.3	2.9	7.2	3.9	4.3	59.4	1.2	3.6	2.2	1,804	1,234	240	231	66	23	111	101	+124
14	Matt Ryan M. Ryan	131.58	31.6	100.0	2024-25	NYK	19	3.6	1.5	0.4	0.2	0.1	0.0	0.5	1.6	32.3	0.3	1.0	0.1	0.1	43.9	0.0	0.4	0.2	68	28	8	3	2	0	3	1	-40
15	Brice Sensabaugh B. Sensabaugh	131.25	42.2	89.0	2024-25	UTA	71	20.2	10.9	3.0	1.5	0.6	0.1	3.9	8.4	45.9	2.2	5.2	0.9	1.0	61.2	0.6	2.4	1.5	1,432	772	210	110	46	8	107	111	-285
16	Ty Jerome T. Jerome	131.04	43.9	87.2	2024-25	CLE	70	19.9	12.5	2.5	3.4	1.1	0.0	4.6	8.8	51.6	1.6	3.6	1.8	2.1	64.3	0.7	1.8	1.3	1,392	878	173	237	78	3	92	102	+302
17	Mike Conley M. Conley	130.97	41.0	90.0	2024-25	MIN	71	24.7	8.2	2.6	4.5	1.1	0.2	2.6	6.6	40.0	1.8	4.4	1.1	1.3	57.3	0.5	2.1	1.1	1,756	582	182	319	79	14	75	111	+265
18	Tyus Jones T. Jones	130.87	41.4	89.5	2024-25	PHX	81	26.8	10.2	2.4	5.3	0.9	0.1	3.8	8.4	44.8	2.0	5.0	0.6	0.7	58.5	0.5	1.9	1.1	2,174	829	196	429	69	8	91	63	-92
19	Tre Mann T. Mann	130.48	40.0	90.5	2024-25	CHA	13	24.5	14.1	2.9	3.0	0.5	0.3	5.4	12.4	43.5	1.8	4.6	1.5	1.6	53.7	0.9	2.0	1.9	319	183	38	39	7	4	25	24	-55
20	Seth Curry S. Curry	130.22	45.6	84.6	2024-25	CHA	68	15.6	6.5	1.7	0.9	0.4	0.1	2.4	5.0	47.8	1.2	2.7	0.5	0.6	61.6	0.4	1.3	0.5	1,062	444	113	60	27	7	32	59	-171
21	Chris Paul C. Paul	130.13	37.7	92.4	2024-25	SAS	82	28.0	8.8	3.6	7.4	1.3	0.3	3.0	7.1	42.7	1.7	4.5	1.0	1.1	58.0	0.4	3.2	1.6	2,292	723	296	605	103	22	129	151	+4
22	Amir Coffey A. Coffey	130.04	40.9	89.1	2024-25	LAC	72	24.3	9.7	2.2	1.1	0.6	0.1	3.3	7.1	47.1	1.4	3.4	1.6	1.8	61.4	0.4	1.8	0.6	1,748	696	161	77	40	7	45	120	-66
23	E.J. Liddell	130	30.0	100.0	2024-25	CHI	12	4.4	1.8	0.8	0.3	0.1	0.1	0.7	1.3	53.3	0.3	0.8	0.2	0.2	66.1	0.3	0.5	0.2	53	21	9	3	1	1	2	11	-8
24	Damian Lillard D. Lillard	129.71	37.6	92.1	2024-25	MIL	58	36.1	24.9	4.7	7.1	1.2	0.2	7.7	17.1	44.8	3.4	9.0	6.2	6.8	62.1	0.5	4.2	2.8	2,093	1,447	272	410	70	10	162	97	+53
25	Collin Gillespie C. Gillespie	129.7	43.3	86.4	2024-25	PHX	33	14.0	5.9	2.4	2.4	0.6	0.2	2.1	4.8	43.0	1.2	2.7	0.6	0.7	57.8	0.7	1.7	0.5	461	194	78	78	21	5	17	30	-29